arm action meaning in English
手臂动作
Examples
- Thirdly sprinting emphasizes arm action
第三点,短跑强调摆臂动作 - Independent arm action allows unilateral exercise
-允许单手运动 - Bent arm action
屈臂动作 - Motor + reducer + cam + shrinking arm action . large package force , low malfunction and convenient maintenance
电机+减速机+凸轮+紧缩臂动作，捆紧力大，故障少，维修方便。