欧美国产激情一区二区在线_波多野结衣车内乳精在线播放_国产清纯女高中生被C_极品少妇粉嫩小泬v片可看_亚洲 欧美 国产 另类卡通_亚洲精品福利一区二区三区蜜桃_欧美狂野另类xxxxoooo_中日韩精品无码一区二区三区_国产熟女系列丰满熟妇_亚洲香蕉一本大道在线

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