Ogwira ntchito za njanji amadalira ma lumen apamwambaAAA magetsimonga Fenix HL50, MT-H034, ndi Coast HL7 kuti muwonetsetse kuti kuyendera kotetezedwa ndi kolondola usiku. Nyali zam'mutuzi zimapereka zowunikira zopanda manja, zomwe zimalola ogwira ntchito kusunga manja onse awiri kuti agwire ntchito. Mtundu uliwonse umapereka kuwala kwamphamvu komanso moyo wautali wa batri, kuwapangitsa kukhala magawo ofunikira a zida zoyendera njanji. Ogwira ntchito amapindulanso ndi mapangidwe osagwirizana ndi nyengo komanso omasuka, osinthika.
Zofunika Kwambiri
- Nyali zapamwamba za AAA zimapatsa kuwala kowala, kopanda manja komwe kumathandiza ogwira ntchito m'njanji kuyang'ana njanji mosamala komanso molondola usiku.
- Mabatire a AAA ndi osavuta kusintha komanso kupezeka kwambiri, kupangitsa nyali zakumutu izi kukhala zodalirika pakusintha kwakutali kumadera akutali.
- Mapangidwe okhalitsa, olimbana ndi nyengo amateteza nyali zakumutu ku mvula, fumbi, ndi malo ovuta, kuonetsetsa kuti zimagwira ntchito bwino panja.
- Zovala zomasuka, zosinthika kumutu ndi mapangidwe opepuka amasunga nyali zakumutu kukhala zotetezeka komanso zimachepetsa kutopa pakuwunika kwanthawi yayitali.
- Mitundu ingapo yowunikira, kuphatikiza ma siginecha ofiira ndi a SOS, imathandizira chitetezo posunga masomphenya ausiku ndikuloleza kusaina mwadzidzidzi.
Zofunikira zazikulu pazida zoyendera njanji:Nyali zakumutu
Kuwala ndi Kutalikira kwa Beam
Zida zoyendera njanji ziyenera kupereka zowunikira zamphamvu kuti zitsimikizire chitetezo cha ogwira ntchito komanso kulondola panthawi yantchito yausiku. Bungwe la Federal Railroad Administration (FRA) limakhazikitsa miyezo yokhwima ya nyali zapamtunda, zomwe zimafuna kuwala kowala kwa candela osachepera 200,000. Muyezo uwu umatsimikizira kuti machitidwe owunikira amapereka kuwala kokwanira kuti awoneke bwino panjira. Nyali zamakono zamagiya oyendera njanji, pomwe ndi zazing'ono kuposa nyali zapamtunda, zimafuna kupereka kuwala kwapamwamba komanso nthiti zowunikira kuti ziwunikire madera akuluakulu ndi zinthu zakutali.
| Parameter | Mtengo/Kufotokozera |
|---|---|
| Kuwala (makandulo) | 200,000 mpaka 250,000 candlepower (locomotive standard) |
| Ma Lumen Ofanana (pafupifupi) | 4,650 mpaka 6,200 lumens (mbiri yakale mababu) |
| Beam Focus | Zowonetsera za Parabolic zowongolera bwino kwambiri |
| Dimming Ntchito | Amachepetsa glare pa ntchito pafupi |
Nyali yokhala ndi lumen yayikulu yokhala ndi mtengo wolunjika imathandiza oyendera kuwona zolakwika, zopinga, kapena ma siginecha ali patali, kumathandizira kuyang'ana kotetezeka komanso koyenera.
Moyo wa Battery ndi Gwero la Mphamvu (AAA)
Moyo wa batri wodalirika ndi wofunikira pa zida zoyendera njanji. Nyali zoyendetsedwa ndi AAA zimapereka maubwino angapo. Ogwira ntchito amatha kusintha mabatire mosavuta m'munda, kuchepetsa nthawi yopuma. Mabatire a AAA amapezeka kwambiri komanso otsika mtengo, kuwapanga kukhala chisankho chothandiza kwa magulu omwe amagwira ntchito kumadera akutali. Nyali zambiri zogwira ntchito kwambiri zimawala bwino ndi mphamvu zamagetsi, zomwe zimapangitsa kuti zigwiritsidwe ntchito nthawi yayitali. Mitundu ina imakhala ndi mitundu ingapo yowala, zomwe zimalola ogwiritsa ntchito kusunga mphamvu ngati sikufunika mphamvu.
Langizo: Kunyamula mabatire a AAA ocheperako kumapangitsa kuti ntchito isasokonezeke pakuwunika kofunikira.
Kukhalitsa ndi Kukaniza Nyengo
Zida zoyendera njanji ziyenera kulimbana ndi zovuta zakunja. Nyali zakumutu zopangidwira izi zimagwiritsa ntchito zida zolimba ndipo zimakhala ndi zomangamanga zolimbana ndi nyengo. Mitundu yambiri imapeza ma IPX4 kapena mavoti apamwamba osalowa madzi, kuwateteza ku mvula ndi mvula. Zipolopolo zolimba za ABS ndi masiwichi omata zimalepheretsa chinyezi ndi fumbi kuti zisawonongeke zamkati. Zinthuzi zimalola oyendera kuti azigwira ntchito molimba mtima kumvula, chifunga, kapena malo afumbi, podziwa kuti zida zawo zigwira ntchito modalirika.
Chovala chamutu chomasuka, chosinthika chimathandizanso kuti chikhale cholimba mwa kusunga nyali yotetezeka panthawi yoyenda. Kuphatikizika kwa kulimba komanso kutonthozedwa kumeneku kumapangitsa kuti nyali zapamwamba za AAA zikhale gawo lodalirika la zida zilizonse zoyendera njanji.
Kutonthoza ndi Kuvala
Comfort amatenga gawo lofunikira pakusankha nyali zakutsogolo za zida zoyendera njanji. Ogwira ntchito nthawi zambiri amavala nyali kwa nthawi yayitali, nthawi zina pakusintha konse. Mapangidwe opepuka amachepetsa kutopa ndikuletsa kusapeza bwino. Ambirinyali zazikulu za lumen AAAkulemera kwa zosakwana 40 magalamu, kuwapangitsa kuti asawonekere pamutu. Zomangamanga zosinthika komanso zotambasuka zimatsimikizira kukhala otetezeka kwa ogwiritsa ntchito onse, kaya amavala zipewa, zipewa, kapena kugwira ntchito pamitu yawo.
Zipangizo zofewa, zoyamwa m'mutu zimachotsa thukuta, zomwe zimapangitsa wogwiritsa ntchito kukhala womasuka panthawi yotopetsa. Nyali yakumutu sayenera kuterera kapena kusuntha panthawi yoyenda. Oyang'anira amapindula ndi kukwanira kokhazikika, makamaka akamakwera, kugwada, kapena kugwira ntchito m'malo othina. Zitsanzo zina zimapereka mitu yanyali yozungulira, zomwe zimalola ogwiritsa ntchito kuwunikira pomwe pakufunika popanda kusintha mutu wonse.
Zindikirani: Nyali yomasuka imalimbikitsa kugwiritsa ntchito nthawi zonse, zomwe zimathandizira chitetezo komanso zokolola pakuwunika usiku.
Chitetezo Mbali
Zida zachitetezo mu nyali zamakono zimakulitsa mphamvu ya zida zoyendera njanji. Mitundu ya lumen yapamwamba nthawi zambiri imakhala ndi mitundu ingapo yowunikira, monga yokwera, yotsika, komanso yowala. Mitundu iyi imalola ogwira ntchito kuti azolowere zochitika zosiyanasiyana zoyendera. Kuwala kofiyira kumateteza maso a usiku komanso kumachepetsa kunyezimira, komwe kumakhala kothandiza powerenga zida kapena polankhulana ndi mamembala a gulu.
Nyali zambiri zimakhala ndi ntchito ya SOS kapena strobe. Izi zimapereka chida chofunikira chodziwitsira pazochitika zadzidzidzi. Miyezo yosalowa madzi, monga IPX4, imateteza nyale ku mvula ndi kuphulika, kuonetsetsa kuti ikugwira ntchito modalirika pa nyengo yovuta. Zipolopolo zolimba za ABS ndi masiwichi osindikizidwa amalepheretsa fumbi ndi chinyezi kulowa mu chipangizocho.
Oyang'anira amadalira mbali zachitetezo izi kuti asunge mawonekedwe, chizindikiro chothandizira, ndikugwira ntchito molimba mtima m'malo ovuta. Kuphatikiza koyenera kwa chitonthozo ndi chitetezo kumapangitsa nyali yakumutu kukhala gawo lofunikira pa zida zilizonse zoyendera njanji.
Nyali Zapamwamba Zapamwamba za Lumen AAA Zoyendera Sitima za Sitima

Fenix HL50
Fenix HL50 ndiyowoneka bwino ngati nyali yakutsogolo koma yamphamvu, yabwino pakuwunikira njanji. Mtunduwu umapereka ma lumens ofikira 400 pamawonekedwe apamwamba, kupereka kuwala kokwanira kuti muwone zolakwika za njanji ndi ma siginecha owerengera m'malo opepuka. HL50 imagwiritsa ntchito mawonekedwe osavuta a batani limodzi, omwe amalola oyendera kusintha masinthidwe mwachangu, ngakhale atavala magolovesi. Nyali yakumutu imalemera ma 2.75 ounces okha, kotero ogwiritsa ntchito amatopa pang'ono panthawi yayitali.
Mayeso am'munda amtundu wofananira wa HM50R V2 akuwonetsa kuti Fenix HL50 imasunga kuwala kwambiri kwa maola angapo isanatsike. Oyang'anira akuwonetsa kuti nyali yakumutu imakhala yowala mpaka maola asanu ndi awiri pamtunda wapamwamba, ndi nthawi yonse yothamanga ya 48 maola otsika. Mapangidwe ophatikizika amakwanira bwino pamutu, ndipo gulu losinthika limatsimikizira kukhala otetezeka kwa ogwiritsa ntchito onse. HL50 imakhalanso ndi mawonekedwe abwino amitundu, omwe amathandiza ogwira ntchito kusiyanitsa pakati pa zigawo zosiyanasiyana za nyimbo ndi zizindikiro.
Chidziwitso: Fenix HL50 imaphatikiza kusuntha, kuwala, ndi zowongolera zosavuta kugwiritsa ntchito, zomwe zimapangitsa kukhala chisankho chodalirika kwa akatswiri anjanji omwe amafunikira magwiridwe antchito mosasinthasintha.
Malo a Diamondi Wakuda 400
Black Diamond Spot 400 yadziŵika kuti ndi yolimba kwambiri komanso moyo wa batri. Nyali yakumutu iyi imapanga kutulutsa kwakukulu kwa 400 lumens, yokhala ndi mawonekedwe owoneka bwino mpaka 100 metres. Spot 400 imakhala ndi mabatani awiri owoneka bwino, omwe amalola kugwira ntchito mosavuta ngakhale ndi magolovesi. Kulemera ma ounces 2.6 okha, kumapereka mwayi wokwanira kuvala nthawi yayitali.
Kuyesa kwanthawi yayitali, kuphatikiza kugwiritsa ntchito maulendo osaka kwa sabata, kukuwonetsa moyo wautali wa Spot 400. Nyali yakutsogolo imayenda kwa maola opitilira 24 m'mwamba isanalowe mu "limp mode," kuwonetsetsa kuti oyendera angayidalire nthawi yonse yausiku. Zomangamanga zosagwira nyengo zimateteza chipangizo ku mvula ndi fumbi, zomwe ndizofunikira panja yanjanji yakunja. Batire yowonjezereka, yofikiridwa kudzera pa Micro-USB, imawonjezera kumasuka kwa magulu omwe amagwira ntchito kumadera akutali.
Oyang'anira amayamikira mawonekedwe a Spot 400 olimba komanso mawonekedwe osavuta ogwiritsira ntchito. Nyali yakumutu nthawi zonse imalandira ma ratings apamwamba chifukwa cha magwiridwe ake komanso kudalirika pazovuta.
Langizo: Black Diamond Spot 400 imapambana pakuwala komanso nthawi yothamanga, ndikupangitsa kuti ikhale yabwino kwambiri pakuwunika njanji yomwe imafunikira kuunikira kosatha, kopanda manja.
Nyanja HL7
Coast HL7 imapereka mphamvu zosakanikirana, zosinthika, komanso zolimba, zomwe zimapangitsa kuti ikhale yoyenera ntchito zoyendera njanji. Nyali yakumutu iyi imapereka kuwala kosiyanasiyana, kulola ogwiritsa ntchito kuwunikira bwino pazochitika zosiyanasiyana. Dongosolo loyang'ana kwambiri la HL7 limathandizira owunikira kusinthana pakati pa mtengo wa kusefukira kwamadzi ndi mtengo wolunjika, womwe umakhala wofunikira mukasanthula madera akulu kapena kuwunikira mawonekedwe enaake.
HL7 ili ndi choyimba chachikulu, chosavuta kugwiritsa ntchito, chomwe ogwira ntchito amatha kuzigwiritsa ntchito atavala magolovesi. Chovala chamutu chosinthika chimatsimikizira kukhala otetezeka komanso omasuka, ngakhale panthawi yovuta. Zomangamanga zolimba za nyali zakutsogolo zimapirira nyengo yoyipa, ndipo kuvotera kwa IPX4 kumaiteteza ku mvula ndi kuwombana.
Oyang'anira amayamikira Coast HL7 chifukwa cha kusinthasintha kwake komanso kapangidwe kake kolimba. Kutha kusintha kuwala ndi kuyang'ana kwa mtengo kumalola kuwunikira koyenera panthawi yowunikira, kumapangitsa chitetezo komanso kuchita bwino.
| Headlamp Model | Umboni Wofunika Kwambiri | Zowonetsa Kachitidwe |
|---|---|---|
| Fenix HL50 (HM50R V2) | Mtundu woyesedwa: HM50R V2 (yogwirizana kwambiri ndi HL50). Kutulutsa: 700 lumens turbo, 400 lumens mkulu. Nthawi yothamanga: 3 hrs high, 48 hrs low. Kulemera kwake: 2.75 oz. | Yophatikizika komanso yamphamvu yowala kwambiri; nthawi yabwino yopuma; mawonekedwe ogwiritsa ntchito. |
| Malo a Diamondi Wakuda 400 | Kuyesedwa pazaka 2 ndikugwiritsa ntchito kwenikweni. Mayeso a nthawi yothamanga:> Maola 24 m'mwamba asanakwane "limp mode". Kutulutsa kwakukulu: 400 lumens, 100m kuwala kosiyanasiyana. Kulemera kwake: 2.6 oz. | Kutsimikiziridwa moyo wautali wa batri ndi kulimba; nyali yaying'ono yochita bwino kwambiri pakuyesa moyo wautali; zabwino zogwiritsira ntchito. |
| Nyanja HL7 | Munda woyesedwa m'mikhalidwe yovuta. Kutulutsa kosinthika ndi kuyang'ana. Zolimba, zolimbana ndi nyengo, zosavuta kugwiritsa ntchito magolovesi. | Kusintha kosiyanasiyana kwa mtengo; kumanga kolimba; odalirika m'malo ovuta. |
Oyang'anira omwe amasankha chilichonse mwa nyalezi amapeza chida chodalirika chomwe chimapangitsa kuti anthu aziwoneka bwino, otetezeka, komanso azigwira ntchito nthawi yoyendera njanji usiku.
Kusankha Nyali Yoyenera ya Sitima Yoyendera Sitima
Zofananira Zofananira ndi Zochitika Zoyendera
Kusankha nyali yoyenera ya zida zoyendera njanji zimatengera zofunikira pazochitika zilizonse zoyendera. Oyang'anira omwe amagwira ntchito m'mabwalo anjanji nthawi zambiri amafuna nyali yakutsogolo yokhala ndi nsonga yotakata kuti iwunikire madera akulu. Mosiyana ndi zimenezi, machubu omwe amayendera kapena malo otsekeka amapindula ndi kuwala komwe kumadutsa mumdima ndikuwonetsa tsatanetsatane wa njanji. Mawonekedwe osinthika owoneka bwino amalola ogwiritsa ntchito kuzolowera kusintha kwa malo, kusunga moyo wa batri pomwe mphamvu zonse zili zosafunika.
Gome lingathandize kufananiza mawonekedwe a nyali zakumutu ndi zochitika zomwe zimayendera:
| Kuyendera Scenario | Analimbikitsa Mbali | Pindulani |
|---|---|---|
| Open Rail Yards | Chigumula chachikulu | Kuwonekera kwadera lalikulu |
| Kuyang'ana Tunnel | Dongosolo lokhazikika | Kuwala kowonjezera patali |
| Ma Signal Checks | Kupereka kwamtundu wapamwamba | Kuzindikiritsa mtundu wolondola |
| Zochitika Zadzidzidzi | SOS/Flash mode | Kuzindikiritsa kogwira mtima |
Oyang'anira ayenera kuganizira za kutonthozedwa ndi zoyenera, makamaka pa nthawi yayitali. Mapangidwe opepuka komanso zomangira zosinthika kumutu zimachepetsa kutopa ndikuwonetsetsa kuti nyali yakumutu imakhala yotetezeka panthawi yoyenda.
Maupangiri Osamalira ndi Kuwongolera Battery
Kusamalira moyenera ndi kuwongolera batire kumakulitsa moyo wautumiki wa nyali iliyonse yomwe imagwiritsidwa ntchito pamagetsi oyendera njanji. Mabuku aukadaulo, monga BioLite HeadLamp 800 Pro Product Guide, amalimbikitsa njira zingapo zotsimikiziridwa:
- Sungani nyali pamalo ozizira, owuma kuti mupewe kuwonongeka kwa batri.
- Sambani chipangizocho nthawi zonse, makamaka mukakumana ndi fumbi kapena chinyezi.
- Bwezerani kapena yonjezerani mabatire musanayambe kusintha kulikonse kuti muwonetsetse kuti akugwira ntchito mosasinthasintha.
- Gwiritsani ntchito pass-thru charger ngati ilipo, kulola kugwira ntchito mukamalipira.
The Moonlight Headlamp Guide ikuwonetsa kasamalidwe ka kutentha ngati chinthu chofunikira kwambiri. Mapangidwe a aluminiyamu amachotsa kutentha, kusunga kuwala komanso kuteteza thanzi la batri. Kuchepetsa kuwala pamene kuyima kungathenso kutalikitsa moyo wa batri. Oyang'anira akuyenera kuyang'anira nthawi yothamanga ndikusintha makonda kuti agwiritse ntchito bwino.
Chisamaliro chanthawi zonse ndi machitidwe anzeru a batri amathandizira owunikira kudalira nyali zawo panthawi yonse yofunikira, kuthandizira chitetezo ndi zokolola.
Zochitika Zogwiritsa Ntchito Padziko Lonse ndi Malangizo

Oyang'anira njanji m'dziko lonselo amadalira nyali zapamwamba za AAA panthawi yausiku. Ndemanga zawo zikuwonetsa zopindulitsa komanso magwiridwe antchito enieni amitundu ngati Fenix HL50, Black Diamond Spot 400, ndi Coast HL7.
“Fenix HL50 sinandikhumudwitse, ngakhale pamvula yamphamvu.” Ndinamaliza ntchito yoyendera popanda kusintha mabatire,” anatero wofufuza wamkulu wa njanji ku Illinois.
Ogwiritsa ntchito ambiri amatamanda mapangidwe opepuka komanso chitonthozo cha nyali zakumutu izi. Ogwira ntchito nthawi zambiri amawavala kwa maola ambiri popanda zowawa. Zomangamanga zosinthika kumutu ndi zida zofewa zimathandiza kupewa kupwetekedwa kwa mutu ndi kutsetsereka, ngakhale atavala zipewa zolimba.
Oyang'anira amayamikiranso kusinthasintha kwa mitundu ingapo yowunikira. Mwachitsanzo, mawonekedwe ofiira a Black Diamond Spot 400 amalola mamembala a gulu kuti azilankhulana osataya maso. Kusintha kwa mtengo wa Coast HL7 kumathandizira ogwiritsa ntchito kusintha mwachangu pakati pa masikelo am'madera ambiri ndikuwunika mwatsatanetsatane.
Chidule cha zomwe ogwiritsa ntchito:
- Sankhani nyali yakumutu yokhala ndi ma lumens osachepera 300 kuti iwoneke bwino.
- Sankhani mitundu yokhala ndi IPX4 kapena mavoti apamwamba osalowa madzi kuti mukhale odalirika panja.
- Nyamulani mabatire a AAA kuti mupewe kusokoneza nthawi yayitali.
- Gwiritsani ntchito mitundu yofiyira kapena yonyezimira posayina ndi chitetezo pakagwa mwadzidzidzi.
| Headlamp Model | Mphamvu Zovoteledwa ndi Ogwiritsa | Mlandu Wogwiritsiridwa Ntchito Wodziwika |
|---|---|---|
| Fenix HL50 | Kukhalitsa, kuwala kosasinthasintha | Kuwunika kwanyengo zonse |
| Malo a Diamondi Wakuda 400 | Moyo wautali wa batri, mawonekedwe a kuwala kofiyira | Zosintha zowonjezera, ntchito yamagulu |
| Nyanja HL7 | Kukhazikika kosinthika, kapangidwe kolimba | Zochitika zosiyanasiyana zoyendera |
Oyang’anira amene amaika ndalama pa nyale zapamwamba kwambiri amanena kuti akuchedwa, chitetezo chakhazikika, ndiponso kukhala ndi chidaliro chachikulu poyendera njanji usiku. Zochitika zawo zimatsimikizira kuti nyali yoyenera imapangitsa kusiyana kwakukulu m'munda.
Fenix HL50, Black Diamond Spot 400, ndi Coast HL7 amapereka ntchito zabwino kwambiri pakuwunika njanji usiku. Nyali zakumutu izi zimapereka kuwala, kulimba, komanso chitonthozo. Akatswiri amakampani amawonetsa zabwino zingapo:
- Oyang'anira amafotokoza kulondola kwa data komanso kudalirika.
- Mawonekedwe a nthawi yeniyeni ndi kugawana deta mosasamala kumawonjezera kulumikizana.
- Tekinoloje yoyang'anira zowonera imawonjezera kuyankha komanso imathandizira kupanga zisankho zabwino.
Kusankha nyali yakumutu yokhala ndi ma lumens apamwamba, moyo wa batri wodalirika, ndi zinthu zofunika zachitetezo zimatsimikizira chitetezo ndi magwiridwe antchito nthawi iliyonse yoyendera.
FAQ
Kodi mabatire a nyali ya AAA amakhala nthawi yayitali bwanji panthawi yoyendera njanji?
Moyo wa batri umatengera mawonekedwe a kuwala ndi kagwiritsidwe ntchito. Nyali zambiri za AAA zokhala ndi lumen zazitali zimayenda kwa maola 4-24 pazikhazikiko zokhazikika. Oyang'anira nthawi zambiri amanyamula mabatire kuti awonetsetse kuti akugwira ntchito mosasokoneza nthawi yayitali.
Kodi nyali zakumutu izi ndizoyenera kugwiritsidwa ntchito pakagwa mvula yamphamvu kapena kunyowa?
Nyali zambiri za AAA zokhala ndi lumen zazitali zimakhala ndi IPX4 kapena kupitilira kwa madzi. Izi zimateteza chipangizocho ku mvula ndi mvula. Oyang'anira amatha kuzigwiritsa ntchito molimba mtima m'malo onyowa.
Kodi ogwira ntchito amavala nyali zakumutu izi momasuka ndi zipewa zolimba kapena zipewa?
Opanga amapanga zomangira zakumutu kuti zigwirizane bwino ndi zipewa zolimba ndi zipewa. Mabandi osinthika komanso otambasuka amatsimikizira kukhala kokhazikika, kokwanira kwa ogwiritsa ntchito onse. Kupanga kopepuka kumachepetsa kutopa panthawi yovala nthawi yayitali.
Ndi zinthu ziti zachitetezo zomwe nyali zamtundu wa AAA za lumen zazitali zimapereka pakuwunika kwa njanji?
Mitundu yambiri imakhala ndi mitundu yambiri yowunikira, monga kuwala kofiira ndi SOS. Izi zimathandizira kusunga masomphenya ausiku, chizindikiro chothandizira, ndikusintha zochitika zosiyanasiyana zowunikira. Kumanga kokhalitsa ndi kuletsa madzi kumapangitsa chitetezo m'malo ovuta.
Kodi oyendera ayenera kusamalira bwanji ndikusunga nyali zawo kuti zigwire bwino ntchito?
Oyang'anira azitsuka nyali akamaliza kugwiritsa ntchito, kuzisunga pamalo ouma, ndikusintha mabatire pafupipafupi. Kusamalidwa koyenera kumatalikitsa moyo wa chipangizocho ndikuwonetsetsa kuti zimagwira ntchito modalirika panthawi yonse yoyendera.
Nthawi yotumiza: Jun-13-2025
fannie@nbtorch.com
+0086-0574-28909873


