lever action的用法和樣例：
例句
- Later systems had radially mounted shoes to provide more stable contact through lever action.
后面的系統放射狀設置集電靴通過(guò)杠桿作用來(lái)提供穩定接觸。 - Because of the Financial Lever,the liability could bring along both Financial Lever Income and Financial Lever Loss.
負債資本受財務(wù)杠桿作用，既可能帶來(lái)財務(wù)杠桿收益，又可能發(fā)生財務(wù)杠桿損失。
