So there is no force along the arc, but there must be a normal force.
所以在弧线上没有力，但是肯定存在法向力。
Obtaining the way of power source of the strong arc force was clearly shown.
并且指出正确设计电源外特性，是获得较强电弧穿透力的途径。
Intensive arc drive force, Prevent to be stuck.
电弧推力强、防粘。
Intensive arc drive force, Prevent to be stuck.
电弧推力强、防粘。
应用推荐