“杠杆”造句

电梯修理工可以转动这根杠杆直接操作机器。
An elevator mechanic can work the machinery directly by turning this lever.

锹和耙的手柄较长，可发挥较好的杠杆作用。
The spade and fork have longer shafts, providing better leverage.

我们不得不借助杠杆之力来移动这块巨石.
We'll have to use leverage to move this huge rock.

• #杠杆