Cov ntsiab lus yuav tsum tau them sai sai rau thaum yuav ib lub ntsuas qab zib
1. Thaum yuav khoom, cov neeg siv khoom thawj zaug yuav tsum paub txog lawv tus kheej cov kev xav tau txhawm rau txiav txim siab tsim nyog. Cov khoom zoo sib xws muaj cov nqi sib txawv, ib yam li cov tsheb, uas raug nqi 50000 yuan thiab 500000 yuan. Txawm li cas los xij, cov neeg siv khoom muaj kev xav tau sib txawv thiab kev yuav khoom muaj peev xwm. Yuav kom ua tau raws li qhov xav tau sib txawv, cov tsheb siab, nruab nrab, thiab qis kawg yog tsim. Los ntawm kev xav ntawm cov neeg yuav khoom, lawv xaiv cov khoom raws li lawv tus kheej xav tau thiab kev yuav khoom muaj peev xwm, tuaj yeem pab koj tus kheej kom yuav cov khoom txaus siab; Tib yam muaj tseeb rau handheld qab zib meters. Ib yam li tsheb, handheld qab zib ntsuas kuj tuaj nyob rau hauv ntau yam qauv uas ua tau raws li cov kev xav tau ntawm cov neeg siv khoom sib txawv, xws li handheld refractive qab zib meters los yog handheld refractive ntsev ntsuas. Kev nrhiav yog qhov yooj yim, siv tau, thiab pheej yig, uas tuaj yeem tso cai rau ntau tus neeg uas muaj qhov xav tau los ntsuas cov ntsiab lus qab zib (lossis cov ntsiab lus) ntawm cov kev daws teeb meem kom tau txais cov khoom no, thiab nws kuj tseem siv tau sai, Tam sim no, ntau lub tuam txhab tsim khoom hauv Tuam Tshoj uas tsim handheld qab zib meters feem ntau tsim handheld refractive index qab zib meters. Tus nqi sib txawv nyob ntawm thaj av thiab chaw tsim khoom, tab sis lawv feem ntau raug nqi ntawm ob peb puas yuan. Ntxiv mus, tag nrho cov ntsuas ntsuas ntsuas ntsuas hauv Suav teb yog tsim los siv lub hauv paus ntsiab lus ntawm lub teeb pom kev zoo, thiab tag nrho cov ntsuas ntsuas ntsuas ntsuas dej tsis muaj dej. Nws yog ib qho tseem ceeb kom tsis txhob ntxuav lub tes tuav cov ntsuas qab zib ncaj qha nrog dej thaum siv, Yuav tsum khaws cia rau hauv qhov chaw qhuav
2. Thaum yuav khoom, xaiv cov tub lag luam nrog lub warranty. Feem ntau, yog tias muaj dej sab hauv, cov tub lag luam tsis muab kev tiv thaiv. Vim yog tus nqi saib xyuas siab, feem ntau cov tub lag luam xav kom cov neeg siv khoom yuav khoom tshiab. Yog tias tus tub lag luam muab kev lav phib xaub rau lub ntsuas dej ntawm tes nrog dej, nws kuj yog qhov tsawg heev. Yog li ntawd, lawv tuaj yeem them tus nqi qee yam kom tau txais kev tiv thaiv zoo dua. Feem ntau, thawj lub ntsuas ntshav qab zib muaj lub neej ua haujlwm ntau dua 2 xyoos, Tab sis qhov chaw yog tias nws yuav tsum tau saib xyuas kom zoo.
Zuag qhia tag nrho, tus nqi ntawm lub ntsuas suab thaj digital yog siab dua li ntawm lub ntsuas ntsuas qab zib. Yog tias koj tsis muaj nyiaj txaus, koj tuaj yeem xaiv lub ntsuas suab thaj thiab ua tib zoo saib xyuas, uas tseem pheej yig heev.
