Fixed contact point的意思|示意

Remember, if the racquet face is closed at the low point of the backswing, it should be vertical at contact, provided you swing from the shoulder with a fixed forearm and wrist.

记得，如果网拍面在背后拉拍的低点是关闭的，它在接触点应该是垂直的，假设你是固定前臂和手腕地从肩膀挥拍。

The switch is directly fixed on the trigger while the inside of the holding portion of the hand lever has a trigger rib which is relatively arranged to a contact point on the switch.

所述开关 直接固定在扳机上，同时所述手柄握持部位内设有同该开关上的触点相对的 触发筋。