Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.

必须进行粗加工以去除原材料轧制过程中的表面氧化脱碳。

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Rough machining shall be performed so as to remove all mill decarburization from the raw material surface.

必须进行粗加工以去除原材料轧制过程中的表面氧化脱碳。

youdao