The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.
利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。
2
Surface after the third kick, at as low an angle as possible and continue gliding as far as possible for as long as you can hold your breath.