环转运动 circumduction：骨的近端在原位转动，远端作圆周运动，整个骨运动的轨迹呈圆锥形。两轴关节（如腕关节）或三轴关节（如肩关节）可作环转运动。环转运动实为屈、展、伸、收的依次连续运动。
... supination, supinator(m.), supinate(v.) 旋后 circumduction 环转运动 Shoulder joint 肩关节 ...
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在流体不可压缩的假设前提下，将流体在SK型静态混合器中的螺旋形运动分解成轴向直线运动和环向旋转运动。
Under the precondition of incompressible flow, fluid spiral motion in SK static mixer tube was resolved into axial beeline motion and circumferential rotation motion.
调整环在运动过程中把压力臂上拨叉的旋转运动转化为转轴的旋转运动，改变了旋转运动的方向。
During the movement of the regulation annulus, it turns whirligig of the regulations arm into whirligig of the spindle, and change the whirling direction.
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