alligator jaw是什么意思

用法例句

This paper introduces the main characteristics of Pro/E software and the parametric design, and expounds the building process of parametric model of jaw plate tooth-shape based on Pro/E.

介绍了Pro/E软件的主要特点及参数化设计,阐述了基于Pro/E的颚式破碎机齿板参数化模型的建立过程。