topping lift
短语词组
- topping lift block 頫仰頂索滑車;吊杆頂索滑車;千斤索滑車
- topping lift tackle 千斤索滑車組
- topping lift chain 千斤鏈
- topping lift fall 千斤索拉耑
- topping lift wire 吊杆頂索
- topping lift winch 千斤索絞車;吊杆頂索絞車;千斤索定位絞車
- topping lift bull rope 千斤索陞降繩
- topping lift eye bracket 千斤索眼板座
- topping lift span 單杆吊貨法;千斤索跨度 返回 topping lift