In the pretreatment of painting, room temperature oil remover has obvious effect on the metal surface.

涂装前处理中，使用常温除油剂处理金属表面油污有显著的效果。

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In the pretreatment of painting, room temperature oil remover has obvious effect on the metal surface.

涂装前处理中，使用常温除油剂处理金属表面油污有显著的效果。

youdao