交变轴的英文

alternating axis

• 交变:    alternation; alter ...
• 轴:    axle; shaft
• 交变:    [电学] alternation; ...

例句与用法

1. The single direction bearings of them can only carry axial load in one direction , while the double an carry alternating axial load in either direction
   单向轴承只能承受一个方向的轴向载荷，双向轴承能承受两个方向的交变轴向载荷。