axial vibration of shafting

例句：

1. 1. The machine is designed tooperate with an axial load.
   这台机器设计成可以承受轴向载荷。
2. 2.The axis of the planet revolves aroundthe sun.
   行星的轴线围绕太阳旋转。
3. 3.The axial symmetry of the structure makesit easy to maneuver.
   结构的轴对称使得操作起来非常方便。