Kev Paub

Sep 11, 2021

Kev teeb tsa xav tau rau cov khoom faib khoom siab thiab qis voltage

Kev teeb tsa xav tau rau cov khoom faib khoom siab thiab qis voltage

Sep 09, 2021

Cov ntsiab lus tseem ceeb rau kev yuav khoom hluav taws xob hloov hluav taws xob

Cov ntsiab lus tseem ceeb rau kev yuav khoom hluav taws xob hloov hluav taws xob

Sep 09, 2021

Lub nplhaib tseem ceeb yog dab tsi?

Lub nplhaib tseem ceeb yog dab tsi?

Sep 07, 2021

Cov laj thawj rau qhov kub nce hauv qhov hloov pauv hluav taws xob siab

Cov laj thawj rau qhov kub nce hauv qhov hloov pauv hluav taws xob siab

Sep 07, 2021

Tus qauv muaj pes tsawg leeg ntawm lub tshuab nqus tsev sab nraum zoov

Tus qauv muaj pes tsawg leeg ntawm lub tshuab nqus tsev sab nraum zoov

Sep 03, 2021

Lub peev xwm ntawm lub zog hloov pauv

Lub peev xwm ntawm lub zog hloov pauv

Sep 03, 2021

Kev teeb tsa xav tau rau cov khoom faib hluav taws xob

Kev teeb tsa xav tau rau cov khoom faib hluav taws xob

Sep 01, 2021

Kev saib xyuas txhua hnub ntawm lub thawv-hom hloov chaw

Kev saib xyuas txhua hnub ntawm lub thawv-hom hloov chaw

Sep 01, 2021

Kev xav tau rau kev hloov hluav taws xob siab

Kev xav tau rau kev hloov hluav taws xob siab

Aug 30, 2021

Kev ua haujlwm thiab kev saib xyuas ntawm SF6 lub nplhaib tseem ceeb

Kev ua haujlwm thiab kev saib xyuas ntawm SF6 lub nplhaib tseem ceeb

Aug 30, 2021

Hom kev hloov hluav taws xob siab

Hom kev hloov hluav taws xob siab

Aug 26, 2021

Kev ua haujlwm xav tau ntawm kev hloov hluav taws xob siab

Kev ua haujlwm xav tau ntawm kev hloov hluav taws xob siab