Video-Tshiab-Yam Khoom

LED teeb pom kev zoo nkag mus ntxiv t ...

Daim ntawv tshaj tawm kev lag luam taw qhia tias cov txiaj ntsig ntawm kev lag luam LED yuav zoo dua tom qab qhov kawg ntawm kev lag luam kev lag luam poob qis hauv kev sib koom ua ke ntawm kev sib kis thiab muab khoom siv thiab thov. Ntawm ib sab, p ...
Ncua kev siv ntawm ob qho teeb ...

Lub Plaub Hlis 2, Lub Tebchaws Txoj Haujlwm Kev Tswj Xyuas Nyiaj Txiag (National Standardization Management Committee) tau tshaj tawm tshaj tawm txog kev ncua sijhawm ntawm kev coj ua ntawm 13 lub tebchaw suav nrog suav nrog "" Unitary Air Conditioner Energy efficiency ...
LED teeb pom kev zoo sib txawv dua li lwm cov ...

LED teeb pom kev sib txawv ntawm incandescent thiab fluorescent nyob rau hauv ntau txoj kev. Thaum tsim qauv zoo, LED teeb pom kev zoo dua, kev siv tau ntau dua, thiab siv sijhawm ntev dua. Cov LED yog "kev qhia" kev teeb pom kev zoo, uas txhais tau tias lawv tshaj tawm ...