cone roof,conical roof是什么意思

用法例句

Related Study of the Morphology of the Proximal Femur and the Biologic Fixation of Tapered Femoral Component;

股骨近端形态与锥形柄全髋生物学固定的相关研究

In order to solve the problem of the craze during dawing and several time dawing,design method of multilayer taper die,its structure and parameter are discussed in this paper.

为了解决拉深时开裂及多次拉深的问题,探讨了锥形多层拉深模的设计方法。