Rope drum counterwei 鼓简平衡重索
Drum-buffer-rope 鼓 ; 绳子 ; 缓冲
ROPE DRUM MACHING 钢丝卷筒机
crane rope drum arrangement 起重机卷筒装置
DBE Drum-Buffer-Rope 限制驱导式排程法
There were only two rings of rope spooled on the drum.
只有两圈绳子绕在卷轴上。
We use rope slings for bags, canvas slings for bales, steel slings for iron, cargo trays for cases and cartons, and drum hooks for cargo in drums.
我们把络绳吊索用于袋子，帆布吊索用于包、钢丝吊索用于钢铁，托盘用于木箱和纸箱，桶钩用于桶装货。
A stationary motor-driven or hand-powered hoisting machine having a drum around which is wound a rope or chain attached to the load being lifted.
绞车，起货机一种装有卷筒的固定的电动机驱动或手动的吊升机械，卷筒周围缠绕着与提升的重物相连的绳索。
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