国产一级在线观看-国内性爱视频-国产成人精品无码免费看夜聊软件-激情久久av-欧美大片在线免费观看-国产一区二区三区毛片-国产精品51-久久激情婷婷-成人网免费看-娇妻av-成人一区二区三区免费

Lamp Source
The energy of deuterium lamp can provide 190-400nm wavelength of ultraviolet detection region, while tungsten lamp can provide 400-800nm wavelength of visible region, which is the important wavelength of optical system of detector
Online Buy

1. The original lamp source of holly's is the world leader in technology, with reliable product quality;

2. It has high radiation intensity, low noise, stable energy output, long life and excellent reproducibility;


?

Related to recommend
Online WeChat Phone 010-59812370/1/2/3 Customer TOP
Message