'It's hard to tell if an alcohol wipe will strip the oil-repellant coating and damage the phone screen.

我们很难判断，用酒精擦拭是否会破坏防油涂层，并损害手机屏幕。

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Scratch: refers to the strip, generally in the horizontal tin coating is easier to happen.

刮伤：指水平线条状，一般在锡镀层比较容易发生。

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Brief introduce the first production line of electron beam strip coating in nation. Analyze and discuss some technical and facility problems in electron beam strip coating.

介绍国内第一条电子束钢带镀膜生产线的情况，对钢带镀膜的一些工艺及设备技术问题进行分析探讨。

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