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Hand counters stainless steel box, surface drawing.
干手柜不锈钢箱体，表面拉丝。
youdao
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It is tremendously important to construct a surface in surface drawing design.
曲面的构造是曲面拉深件设计中的关键环节。
youdao
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It is tremendously important to construct a surface in surface drawing design.
曲面的构造是曲面拉深件设计中的关键环节。
youdao