具有滑轮的

例句：

1. 1.The pulley system is used to lift heavy objects.
   滑轮系统用于提升重物。
2. 2.The engineer designed the pulley system for efficient movement.
   工程师为高效运动设计了滑轮系统。
3. 3.The pulleys are attached to the ropes to allow them to move freely.
   滑轮被挂在绳子上以允许它们自由移动。