The take-off from one foot spike approach course reduces the segment of taking off set-close;

单脚起跳扣球的助跑过程减少了踏跳并步这一环节，有利于发挥助跑速度；

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The take-off from one foot spike approach course reduces the segment of taking off set-close;

单脚起跳扣球的助跑过程减少了踏跳并步这一环节，有利于发挥助跑速度；

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