protective film

基本解释

Creative iPhone 4 stickers coated with waterproof protective film.
iPhone 4的贴纸，表面有防水保护膜。
When get the PC board, first need to see the product packaging, see whether the protective film of product.
在拿到PC板的时，首要需要看产品的包装，看产品的保护膜贴的是不是无缺。
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Phosphating: in steel on the surface of product form a layer of phosphate insoluble protective film processing.
磷化：在钢铁制件表面上形成一层不溶解的磷酸盐保护膜的处理过程。

The package comes with a protective film for the touch screen (part of the Switchblade UI) and the install guides.
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Washing not only warms up the egg, which then cools slowly in the carton, but also removes the natural protective film on the shell, opening the door to contamination from the washing water.
ECONOMIST: Food safety
Unlike paint, the film can be applied and removed by technicians without any need for protective clothing.
ECONOMIST: It’s a wrap

保护膜
It can chelate with a lot of metal ions to effectively inhibit scaling. At the same time,it exhibits good behavior against corrosion with a compact protective film formed on the surface of mild steel.
与此同时,CETSA还能在金属表面生成致密的保护膜,有效抑制金属腐蚀。
冶金工程技术
保护膜