Kev paub

• 06/Sep2021

  Kev ceev faj ua ntej yuav siv lub teeb tsom tsom iav

  Kev ceev faj ua ntej yuav siv lub teeb tsom tsom iav

• 05/Sep2021

  Lub hauv paus ntsiab lus ntawm lub teeb tsom tsom iav

  Raws li cov cuab yeej tshuaj xyuas lub ntsej muag zoo ib yam, lub teeb tsom tsom iav muaj lub luag haujlwm ntsuas, kaw thiab kho, thiab nws daim ntawv thov hauv tsev kho mob lub qhov muag tau lees pau

• 04/Sep2021

  Dab tsi yog lub teeb tsom iav tsom iav?

  Dab tsi yog lub teeb tsom iav tsom iav?

• 03/Sep2021

  Khoom zoo ntawm qhov muag pom kev

  Khoom zoo ntawm qhov muag pom kev

• 02/Sep2021

  Ceev faj rau lub computer refractor

  Ceev faj rau lub computer refractor

• 01/Sep2021

  Refraction method thiab cov kauj ruam ntawm computer refractor

  Refraction method thiab cov kauj ruam ntawm computer refractor

• 31/Aug2021

  Nta ntawm lub computer refractor

  Nta ntawm lub computer refractor

• 30/Aug2021

  Lub hauv paus ntsiab lus thiab kev siv duab ntsuas ntsuas

  Lub hauv paus ntsiab lus thiab kev siv duab ntsuas ntsuas

• 29/Aug2021

  Lub tswv yim ntawm kev hloov kho lub lens

  Lub tswv yim ntawm kev hloov kho lub lens

• 28/Aug2021

  Yuav siv UV ntes li cas

  Yuav siv UV ntes li cas