convexconcave

基本解释

• adj.凸凹的

同根派生

英汉例句

• 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。