turning block
短语词组
- turning -block linkage [机]回转导杆机构
- linkage turning block 转块连杆组
- turning block linkage 回转块连杆组
- isosceles turning block linkage 等腰回转块连杆组
- turning block four -bar linkage 转块四连杆组
- hull block turning machine 分段翻身设备
- bearing block of turning shaft 盘车轴承体 返回 turning block