Swinging leg should actively swing forward after taking off the board to lower horizontal speed loss and improve the jumping speed.
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。
Young female long jump two levels of athletes instantaneous and take off in the process in the board to swing the leg knee Angle oversized folds not tightly.
少年女子跳远二级运动员在着板瞬间和起跳过程中摆动腿膝角过大，折叠不紧。
A propulsion controller, a swing controller and a steering control board constitute an electric propulsion control device.
推进控制器、回转控制器和驾驶操纵台组成了电力推进控制装置。
A five purpose swing with a board belongs to a toy for children's entertainment and study.
本实用新型——五用秋千网板是关于儿童娱乐学习的一种玩具。
Keeping the arm as stiff as a board, swing it in an arc-like motion from the shoulder, making contact in front of the shoulder.
臂要伸直，并保持伸直的姿式不变，以肩为轴把球拍划出弧线，在肩部的前方勾击来球。
Keeping the arm as stiff as a board, swing it in an arc-like motion from the shoulder, making contact in front of the shoulder.
臂要伸直，并保持伸直的姿式不变，以肩为轴把球拍划出弧线，在肩部的前方勾击来球。
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