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。

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 weights are moved via a cable and pulley system.

重物通过缆绳和滑轮系统运送。

It is found that the damping properties of the work-spindle system are largely affected by the type of main bearing and the mounting method of the pulley.

实验的测试结果表明工件-主轴系统的阻尼特性很大程度上受轴承结构型式及带轮安装方式的影响。