surface is smooth and compact
surface is smooth and compact
表面光滑紧凑
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The coating machine can be coated by layers on the plastic film surface, and the obtained coating surface microstructure is very compact, and the surface is smooth.
镀膜机能在塑料薄膜表面多层镀膜，且获得的镀膜表面微观结构非常致密，表面平滑。
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The results show that the surface of films is smooth and compact;
结果表明：薄膜表面平整光滑；
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