convexconcave
常见例句
- It this article,the authers expounds in detail the particuler methods for adjusting the clearance of the convexconcave dies,according to the practical neccessity for the production of blanking dies.
此文根据冲裁模生产实际需要,综合阐述了凸凹模间隙的调整方法。 返回 convexconcave