change gearbox的用法和樣例：
例句
- Unlike a conventional turbofan, it uses a gearbox rather than a shaft between the fan and the turbine.
與傳統的渦扇發(fā)動(dòng)機不同，它使用齒輪箱將風(fēng)扇以及渦輪連接起來(lái)，而不是一根軸。 - The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox.
采用這種非抽樣小波變換從齒輪箱的振動(dòng)信號中有效提取幅值調制和瞬態(tài)沖擊的摩擦故障特征。
