The article has described the structure and working principle of multiprocess composite die for automobile deafener closure.
介绍了汽车消
器隔板多工序冲压复合模具的结构、工作原
。
The article has described the structure and working principle of multiprocess composite die for automobile deafener closure.
介绍了汽车消器隔板多工序冲压复合模具的结构、工作原。
：以上
句、词
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