1.The article has described the structure and working principle of multiprocess composite die for automobile deafener closure.

1.介汽车消声器隔板多工序冲压复合模具的结构、工作理。

2.The qualification of such a test is only valid for the process sequence carried out during the multiprocess procedure test.

2.对这样一个试验的鉴定仅对多种焊接工艺试验所行的过程顺序有效。