Firm the outer thighs and roll the upper thighs inward slightly.
稳固大腿外侧，并把大腿上部轻轻地向内卷。
The speed reducer upper on the main machine makes central axis rotate through shaft coupling and roller hanger rotates with central axis and rollers on the hanger roll around the inside of ring.
安装在主机顶部的减速机，通过联轴器连接中心轴旋转，中心轴带动磨辊吊架旋转，磨辊装在吊架上沿磨环内周一起滚动。
Roll the upper arms slightly outward, but press the inner wrists firmly into the floor.
轻轻地摇动上臂向外，但把内侧的腕关节牢固地压向地板。
Two muscles, the infraspinatus and teres minor, connect the shoulder blade to the upper arm bone and roll the arms outward.
冈下肌和小圆肌这两块肌肉，将肩胛骨和上臂连接起来，使手臂外旋。
These factors include ratio of upper and lower roll diameter , reduction ratio , enterance angle and roll rotation speed.
因素有上下轧辊直径比、压下率、导入角和轧辊转速。
By lowering the upper end of the surface, he could make the objects roll very slowly.
通过降低平面高端的高度，他能使物体滚动的速度变得十分缓慢。
Upper-roll fixed, the two rollers under a fixed turn around the center arc movement take-off and landing, under two separate movements can roll up or down with.
上辊固定，两下辊围绕一固定回转中心做弧线升降运动，两下辊可单独升降或同升同降。
The automatic paper rolling machine comprises machine frame, paper feed roll, upper and lower conveyer belts, paper-rolling drum and air-jet device.
一种自动卷纸机是由机架、放纸辊、上下传送带、卷纸辊、喷气装置组成。
According to the upper-bound principle, the roll force of horizontal roll an.
最后根据上限原理分别求解了水平辊和两个立辊的轧制力上限解。
Straighten your knees. Roll the upper thighs inward.
伸直膝盖，大腿上方向内卷。
Straighten your knees. Roll the upper thighs inward.
伸直膝盖，大腿上方向内卷。
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