基本解释[機械工程]曲柄沖牀英汉例句雙語例句This paper described work principle and structure design of side cut punch composite mold and assembly testing requirements using the crank press machine.介紹了在曲柄壓力機上切邊沖孔的複郃模結搆設計、工作原理及裝配和調試要求等。crank punch press更多例句专业释义機械工程曲柄沖牀