load hoist造句

例句与造句

1. Shaft sinking ; rope suspension gears for load hoisting in shafts ; safety requirements and testing
   凿井,矿井中起吊负载的钢索悬挂齿轮,安全性要求和试
2. Shaft sinking ; chain suspension gears for load hoisting in shafts ; safety requirements and testing
   凿井,矿井中起吊负载的钢链悬挂齿轮,安全性要求和试
3. It's difficult to find load hoist in a sentence. 用load hoist造句挺难的