在推力轴承下圈垫上调心垫圈，可使吊钩相对连接筒在任意方向上摆动。
A core regulating pad ring is padded on the lower ring of the thrust bearing, which can make the hook swing in any directions corresponding to the connecting cylinder.
膝盖和脚应当向上刚好摆动到水面的位置，然后就应当向下摆。
You want you knees and your feet to just kind of come to the surface, and then go back down.
本例中，咱们将约束其只在水平方向上单独摆动。
In this case, we want to restrict the wiggling to the horizontal direction only.
试想一下，如实现垂直方向上单独摆动，如下代码所示。
As you might guess, if you wanted only a vertical wiggle, it would look like this.
根据本发明，该压簧在朝该活塞的方向上作用在一个凸形地拱曲或凹形地拱曲并且保证该活塞的摆动运动的表面上。
According to the invention the pressure spring ACTS in the direction fo the piston against a convex curved or concave curved surface which permits a pivoting movement of the piston.
根据本发明，该压簧在朝该活塞的方向上作用在一个凸形地拱曲或凹形地拱曲并且保证该活塞的摆动运动的表面上。
According to the invention the pressure spring ACTS in the direction fo the piston against a convex curved or concave curved surface which permits a pivoting movement of the piston.
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