单词：change gearbox
change gearbox的用法和样例：
例句
- Unlike a conventional turbofan, it uses a gearbox rather than a shaft between the fan and the turbine.与传统的涡扇发动机不同，它使用齿轮箱将风扇以及涡轮连接起来，而不是一根轴。
- The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox.采用这种非抽样小波变换从齿轮箱的振动信号中有效提取幅值调制和瞬态冲击的摩擦故障特征。
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