护士的色诱2在线观看免费_久久成人影院精品777_自慰走绳playy荡学院_差差差很疼视频30无掩盖_一女三男做2爱a片免_√天堂8资源中文在线_亚洲日韩av一区二区三区中文_好污的app女生_黄到你湿的漫画无遮盖

網(wǎng)站導(dǎo)航
×

Solution

Solution

Ceramic metal halide lamp

Ceramic metal halide lamp, its arc tube bubble shell is made of transparent alumina ceramic, metal halide lamp is one of the worlds best electric light source, it has high luminous efficiency (65 ~ 140lm / w), long life (5000 ~ 20000h), good color rendering (Ra65 ~ 95) compact structure, stable perfo…
Details
Parameters
Question
Ceramic metal halide lamp, its arc tube bubble shell is made of transparent alumina ceramic, metal halide lamp is one of the worlds best electric light source, it has high luminous efficiency (65 ~ 140lm / w), long life (5000 ~ 20000h), good color rendering (Ra65 ~ 95) compact structure, stable performance and other characteristics.
Recommend