摆动腿蹬离地面后积极前摆对加快起跳腿的下压着板、减少水平速度损失、获得较大的腾起初速度有利。
Swinging leg should actively swing forward after taking off the board to lower horizontal speed loss and improve the jumping speed.
对摆动管道输送特性的研究结果表明，摆动管中的压力损失比静止状态的压力损失大。
From the study it is indicated that the pressure in a swing pipeline loses more than in a static pipeline.
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