基本解释[机械工程]曲柄冲床英汉例句双语例句This paper described work principle and structure design of side cut punch composite mold and assembly testing requirements using the crank press machine.介绍了在曲柄压力机上切边冲孔的复合模结构设计、工作原理及装配和调试要求等。crank punch press更多例句专业释义机械工程曲柄冲床