This preparation consists of sanding away any paint or rust to obtain a smooth but not highly polished surface.

准备工作包括用砂纸打磨，除去油漆和锈迹，以使表面光滑但又不抛得很光。

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This preparation consists of sanding away any paint or rust to obtain a smooth but not highly polished surface.

准备工作包括用砂纸打磨，除去油漆和锈迹，以使表面光滑但又不抛得很光。

youdao