The bit was attached to a heavy length of steel suspended by a wire rope.
钻头系在由钢丝绳悬挂起来的加重杆上。
Finally, they fastened heavy rocks to the end of the rope.
最后，他们在绳子的尾端绑紧了一些沉重的石头。
Too heavy a load will strain the rope to its breaking point.
负载过重会把绳子拉紧到崩断的地步。
IP54, F class, Heavy duty Galvanized wire rope, Rain cover, Wind locker, Rail sweeper, Horn.
防护等级IP54，F级绝缘，高强镀锌钢丝绳，防雨罩、防风锁、扫轨器、声光报警等；
IP54, F class, Heavy duty Galvanized wire rope, Rain cover, Wind locker, Rail sweeper, Horn.
防护等级IP54，F级绝缘，高强镀锌钢丝绳，防雨罩、防风锁、扫轨器、声光报警等；
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