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。
Here is a picture of some pulleys I cast and some pulley patterns I made.
下面是一些我投滑轮图片和一些滑轮我提出的模式。
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 lifting device is a rope and pulley system.
这种起重装置是由缆索和滑轮组成的。
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