the spatial axis是什么意思

网络释义

1)the spatial axis,空轴2)aero engine bearing,航空轴承3)hollow shaft,中空轴4)vacuum axle,真空轴5)vacuum bearing,真空轴承6)empty shaft (polishing head),中空轴（磨头）

Estimating mill working circumstance analyzed hollow shaft by means of finite element method;

利用有限元法分析中空轴判断磨机工况