sack elevator

例句：

1. 1. The company's new warehouse has a large sack elevator for loading and unloading goods.
   该公司的新仓库有一个大型的货梯，用于装卸货物。
2. 2.The sack elevator was used to transport heavy loads from one side of the building to the other.
   货梯被用来将重物从一个楼层运输到另一个楼层。
3. 3. The engineer carefully checked the condition of the sack elevator before starting the operation.
   工程师在开始操作之前仔细检查了货梯的状况。