正排流量计;正位移计;正位移液体计量器;正压移动泵;容积式流量计
The purpose of this study is to analyze the swing arm method of Green and explain its mechanic meaning as well as the positive effect on increasing 100-meter scores to farther indicate the importance of arm strength training to sprint exercises.
对格林摆臂方式进行力学分析,探讨其对百米成绩的积极作用,进而说明上肢训练对短跑的重要性。
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