The Rover-designed two-speed transfer box shares a common case with the four-speed manual gearbox and has a vacuum-operated centre differential.
Rover设计的双速转移系统与四速手动变速箱一样使用同一个箱子，并有一个真空操作中心的细微差别。
The energy variation of vibration signals is the features of gearbox-case fault diagnosis.
振动信号能量在局域波时频分布中的变化，是局域波法诊断齿轮磨损故障的特征。
The energy variation of vibration signals is the features of gearbox-case fault diagnosis.
振动信号能量在局域波时频分布中的变化，是局域波法诊断齿轮磨损故障的特征。
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