hoist reduction gear

例句：

1. 1. The engineer used the hoist reduction gear to safely lower the heavyload onto the ground.
   工程师使用起重减载装置安全地将重物降到地面。
2. 2.The construction crew used the hoist reductiongear to lift the crane into position.
   施工队使用起重减载装置将起重机提升到指定位置。
3. 3. The hoist reduction gear was designedto reduce the strain on theequipment during heavy lifting operations.
   起重减载装置设计用于在重型起重作业中减少设备的压力。