名词
中文翻译：电梯转轮
同义词：
['elevator wheel', 'elevator gear']
例句：
-
1.The elevator operator had to manually turn the crank to raise the car.
电梯操作员不得不手动转动转轮来提升电梯。
-
2.The elevator was so heavy that it took several people to turn the crank.
电梯太重了，需要几个人才能转动转轮。
-
3.The elevator's crank mechanism is responsible for lifting the car up and down.
电梯的转轮机构负责升降电梯。