从动轴；空转轮轴；惰轮轴

idler shafts───从动轴；空转轮轴；惰轮轴

aftershaft───n.后羽，副羽

air shaft───[建][矿业]通风井

idle boast───虚夸

idler gear───空转齿轮，换向齿轮

idler gears───空转齿轮，换向齿轮

Doppler shift───[物]多普勒频移

counter shaft───副轴；对轴；中间轴

propeller shaft───n.传动轴；螺旋轴

reason of rupture of driven shaft of idler wheel for some factory is analyzed.───分析了某单位移动工位滚轮架从动轴的断裂原因。

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。