1. The article has described the structure and working principle of multiprocess composite die for automobile deafener closure.
   介绍了汽车消声器隔板多工序冲压复合模具的结构、工作原理。
2. The qualification of such a test is only valid for the process sequence carried out during the multiprocess procedure test.
   对这样一个试验的鉴定仅对多种焊接工艺试验时所进行的过程顺序有效。

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