Form a double thickness of heavy-duty foil (about 14 in. square); cut three slits in foil.

做一个双层金属箔（大约14英寸见方），在上面划三道口。

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The causes of dull face bright points during aluminum foil double rolling were analysed. The preventive methods were examined to improve qualities of aluminum foils farther.

对铝箔在双合轧制中暗面产生亮点的原因进行了分析。探讨了其预防措施，以便于进一步改善铝箔的质量。

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Also called adhesive copper foil and copper foil tape is the copper metal surface covered a layer of acrylic rubber, can be divided into: double guide copper foil tape and single copper foil tape.

铜箔胶带也叫自粘铜箔，是在铜金属表面覆一层亚克力胶，可分为：双导铜箔胶带和单导铜箔胶带。

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