超薄磨沙不反光膜，真空效果卓越，曝光传真度高；

Super thin invisible film, good vacuum effect, high identical degree of exposure;

youdao

超薄磨沙不反光膜，真空效果卓越，曝光传真度高；

Super thin invisible film, good vacuum effect, high identical degree of exposure;

youdao