Increase the amount of wrist snap or arm speed that you are using.
增加手腕旋转和挥动手臂的速度。
The speed skating straight pendulum arm is a new technology, Mr.
速度滑冰直摆臂是一项新的技术，唐先生欢迎大家交流讨论。
Single arm structure. High speed and smooth motions.
单臂结构，动作快速。
Single arm structure. High speed and smooth motions.
单臂结构，动作快速。
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