vertical column是什么意思

网络释义

1)vertical column,主柱2)main piston,主柱塞3)main post,主柱;主杆4)main plunger of hydraulic press,压机主柱塞

Machining process for main piston of 100 MN double-action aluminium extrusion press;

100MN双动铝挤压机主柱塞的机械加工工艺