15男直china69王伦宝|强RAPPER潮水偷轨免费看|新国产欧美一区二区三区|国产顶尖RAPPER仙踪林|开车疼痛有声音软件app下载大全|久久久久AV片|欧美成人综合另类久久久

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