Cov nti coj yog qhov tseem ceeb ntawm qab nthab teeb txawb
May 19, 2020
Txheeb xyuas cov ntawv coj, cov chip coj yog qhov tseem ceeb ntawm cov qab nthab teeb. Muaj 3 yam ntawm chips, Suav domestic chip, Taiwan nti thiab aborad imported nti. Chinesedomesticchip yog qhov pheej yig tshaj, qee qhov chaw tsim hluav taws xob LED teeb siv lub tshuab ua haujlwm tsis zoo kom txuag tau tus nqi, yog li qhov ua tau zoo yeej' t muaj kev lees paub. Taiwan nti nqe yog hgiher, tab sis qhov zoo tuaj yeem lav, tus nqi piv kuj raug nqi tus nqi. Qhov zoo tshaj plaws zoo chip yog khoom los ntawm txawv teb chaws, tab sis tus nqi yog qhov kim tshaj plaws. Yog li no, thaum xaiv LED teeb, tsis yog tsuas yog pom tus nqi, yuav tsum tau xaiv los ntawm kev ua haujlwm zuag qhia tag nrho.
