topping lift
短语词组
- topping lift block 俯仰顶索滑车;吊杆顶索滑车;千斤索滑车
- topping lift tackle 千斤索滑车组
- topping lift chain 千斤链
- topping lift fall 千斤索拉端
- topping lift wire 吊杆顶索
- topping lift winch 千斤索绞车;吊杆顶索绞车;千斤索定位绞车
- topping lift bull rope 千斤索升降绳
- topping lift eye bracket 千斤索眼板座
- topping lift span 单杆吊货法;千斤索跨度 返回 topping lift