The key was to use a pulley system that would magnify the applied force.
关键是要使用滑轮系统，以扩大其作用力。
我们需要使用这个滑车。
Remove water pump belt pulley.
拆下水泵皮带轮。
Remove front crankshaft belt pulley.
拆卸前曲轴皮带轮。
The lifting device is a rope and pulley system.
这种起重装置是由缆索和滑轮组成的。
The worker threaded the wire through the pulley.
工人把金属丝穿在滑轮上。
Put the V belt on the pulley of the sewing machine.
首先把v 形皮带挂到缝纫机皮带轮上。
Secondary Machine Room; secondary Floor; pulley Room.
辅助机房；隔层；滑轮间。
Synchronous belt and cause of damage belt pulley and its c.
同步带及带轮损伤原因及对策。
The individual strands of each cable were hung in pulley blocks.
每根钢索的单股钢丝束悬挂在滑车组上。
Various speeds may be obtained by the use of large and small pulley.
利用大小皮带轮，可以获得不同的速度。
Various speeds may be obtained by the use of large and small pulley.
利用大小皮带轮，可以获得不同的速度。
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