一对不反光镜片大约要多少钱？
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;
本发明的有益效果：具有 不反光的有色镀层，耐腐蚀能力增加。
The method has the advantages of colored cladding layer which does not reflect light and increased corrosion resistant capability.
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