任何材料经过热切割后，必须进行表面清理直到露出材料底色为止。

Any material, which are cut by thermal process, must be dressed back to clean metal.

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你应该清理房子里的每个房间、每个表面以及每个壁橱。

You should clean every room, every surface, and every closet in the house.

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塑胶表面，易于清理。

Rubberized surface, it is easy to clean up.

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表面形状及位置公差；清理；

Surface shape and position tolerances;

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表面形状及位置公差；清理；

Surface shape and position tolerances;

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