本文将就轿车预处理工艺中应用的脱脂、表调、磷化、钝化等材料的最新情况和未来发展趋势进行概述。
The present situation and future trend about degreasing, surface conditioning, phosphorizing, passivating in car pretreatment are outlined in this paper.
通过优化实验，确定了化学预处理的工艺流程、磷化液组成及工艺条件。
Experiments were made to determine about technological process of chemical pretreatment, phosphatization liquid and technical condition.
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