基本解释空转轴低速齿轮英汉例句双语例句High speed shaft with integral gear and balanced idler shaft with sleeved bearings to insure a low vibration unit and extended seal life.带整体齿轮的高速轴和带套筒轴承的平衡惰轮轴确保降低机组震动并延长密封寿命。idler shaft low speed gear更多例句