the symmetrical axle

• 轴对称

the symmetrical axle的用法和样例：

例句

1. Unipolar induction is a special electromagnetic induction phenomenon which occurs when a cylindrical magnet rotates around its symmetrical axis.
   单极感应是轴对称磁体绕其对称轴转动时产生的一种特殊的电磁感应现象。