ship lift with counterweight

例句：

1. 1.The ship was lifted up by the counterweight to clear the harbor.
   这艘船被配重提升，以清除港口。
2. 2.The engineer used a counterweight to balance the weight of the heavy cargo.
   工程师使用配重来平衡重货物的重量。
3. 3. The ship's captain decided to use a counterweight to reduce the strain on the engine.
   船长决定使用配重来减轻引擎的负担。