semi built-up crank shaft
... 半门型起重机 semi-portal crane 半组合曲柄轴 semi built-up crank shaft 自航式挖泥船 self-propelling dredger ...
基于74个网页-相关网页
halfbuilt-uporsemibuilt-upcrankshaft
... 弓锯hacksaw 半组合曲柄轴halfbuilt-uporsemibuilt-upcrankshaft 锤击检验,锤击试验hammerorhammeringtest ...
基于4个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress