分析了脱脂液中油分的来源及存在状态，介绍了常用油水分离器的原理和结构特点。

The sources and states existed of the oil in the degreaser are analyzed. The principles and structure characteristics of the common oil-water separator are introduced.

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提出了一种适用于各种金属板贴塑的前处理工艺，着重介绍了脱脂和磷化的工艺配方、特点及槽液的维护。

Pretreatment process for PVC laminating on different thin metal sheets was introduced. Formula, strengths and maintenance of degreasing and phosphating process were emphasized.

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PBST稀释液中脱脂乳蛋白稳定剂的浓度为3％；

The albumen concentration in PBST was 3% skimmed milk.

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