成人高清视频免费在线观看,中文字幕在线播放一区,中文字幕超清纯,亚洲影视久久,奇米狠狠色,微拍久久,91欧美一区二区三区综合在线

Welcome toChangzhou Tianrong Testing Technology Co., Ltd! Home |  Contact

series standard light source box

series standard light source box
series standard light source box
Detailed instructions:

Summarize

Used for the appraisal of the color in standard light source.

Standards: FZ/T01047, BS950, DIN6173, ASTM D1729等。

Technical parameter

image