精密金属片冲压操作；精密金属片压印操作怎么读
点击播放按钮播放发音:
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- 精密金属片冲压操作；精密金属片压印操作的英语：precision sheet metal stamping operation
繁體版English