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。

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During arm drive, the arm speed can be adjusted through the knob, with switchover between high speed and low speed;

手臂驱动时，手臂速度可有旋钮控制大小，可高低速切换；

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Arms - Arms are always 180-degrees from each other. Arm speed is controlled by kick speed. Recovery arm is straight from wrist to shoulder and points straight up.

手臂——两臂之间总是保持180度，手臂速度受控于打腿速度。回复臂为由手腕到肩的直臂移臂并经过正上方入水。

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