饥渴少妇高清VIDEOS_激情免费看片_欧美疯狂xxxx大交乱88av_国产少妇国语对白污_成人国产免费软件_中文理论片

●

Industrial control AG

General requirements for medical instrument glass with high clarity and high light transmittance of dual display effect, and has anti glare function; in the operation, testing and other special circumstances, focusing lights bright under such circumstances, can clearly see the contents of the screen! Acid etching AG (anti glare glass) are used very good in medical devices and so on! Is mainly because the etched glass is etched AG glass through chemical etching depth of dent formation of 0.04-0.3 m on the surface of the glass, according to user's different purposes, the dent depth adjustable glass main body does not change. And chemical etching makes the anti glare effect never fall off, and can adapt to the medical equipment environment which requires higher.