sprocket winch

例句：

1. 1. The construction crew used a sprocket winch to lift the heavy equipment onto the roof.
   建筑工人使用绞盘将重型设备吊到屋顶上。
2. 2.The engineer tested the sprocket winch before starting the project.
   工程师在开始项目之前测试了绞盘。
3. 3. The winch was used to pull the heavy crane up to the roof.
   绞盘被用来把沉重的起重机拉到屋顶上。