LED-chav pw-Yuav ua li cas-xaiv-qhov-zoo tshaj-LED-rau-chav pw-ceiling

by Kev Ntsuam Xyuas Cov Hloov Kho 49.3k Views 385 votes

LED chav pw - Yuav ua li cas xaiv qhov zoo tshaj plaws LED rau chav pw qab nthab

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sau los ntawm Kev Ntsuam Xyuas Cov Hloov Kho

Pab neeg ntawm cov kws kho teeb tsa siv lawv lub sijhawm tshawb nrhiav cov khoom, ua cov kev sim ua tau zoo, sib tham nrog cov kws tshaj lij kev lag luam, tshuaj xyuas cov neeg siv khoom, thiab sau tag nrho peb cov txiaj ntsig raws li kev nkag siab thiab cov ntsiab lus tseem ceeb.