pulley guide

例句：

1. 1. The pulley guide is essential for the safe operation of the machine.
   滑轮导向器对于机器的安全运行至关重要。
2. 2.The engineer used a pulley guide to reduce friction and increase efficiency.
   工程师使用滑轮导向器来减少摩擦并提高效率。
3. 3.The pulley guide was designed to prevent the cable from slipping off the pulley.
   滑轮导向器的设计是为了防止电缆从滑轮上滑落。