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在生产的初始阶段，薄膜表面会产生‘晶点’或杂质。
In the initial stage of production, the film surface will produce "crystal point or impurity."
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在液体表面形成的杂质膜或植物层。
The liquid surface is not distorted upon contact with the solid.
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在液体表面形成的杂质膜或植物层。
The liquid surface is not distorted upon contact with the solid.
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