起重英语
吊钩桥式起重机
2009-03-23  浏览:448

吊钩桥式起重机英语翻译
bridge hook crane

例句:
Selecting the length of smooth surface in the middle part of liftdrum on a bridge hook crane 
吊钩桥式起重机起升卷筒中部光面长度的选用