在化学处理之前的表面准备，移除一层金属基材。
Surface preparation of metal before chemical process. Removal of a layer of the base metal.
没有进一步的表面准备做该段塞为a部分的实验。
No further surface preparation was done to the slugs for Part a of the experiment.
本文对美国钢结构涂装协会的钢表面准备系列标准作了简要介绍。
This Paper has brief introduced the series of steel surface preparative standard.
在涂装之前的工件或准备的表面的必要的操作。
Operations necessary to prepare the surface or parts prior to the application of the coating.
打磨木头的表面，为刷清漆做准备。
打磨木头的表面，为刷清漆做准备。
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