Aiming at the deficiency of rectangular tube drawing process, the forming process was optimized from two aspects.
针对矩形管拉拔成形中出现的不足，本文从两个方面对矩形管拉拔成形过程进行优化。
Aiming at the deficiency of rectangular tube drawing process, the forming process was optimized from two aspects.
针对矩形管拉拔成形中出现的不足，本文从两个方面对矩形管拉拔成形过程进行优化。
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