attraction force between forcer and stator ., 引力和定子之间的柜子.
+bolt forcer
1 . 螺栓压入器
bolt eye 吊环螺栓圈bolt forcer 螺栓压入器bolt head 螺栓头
+moving forcer
1 . 移动活塞
component system consists of passive , magnet-free stationary platen , constructed of lightweight composite materials , and dual axes moving forcer , gliding on the air bearings .二元系系统由被动的，无固定磁定模板组成，轻质复合材料构造而成，且具有双轴移动活塞，在空气轴承中滑动。
