Every once while you see a swimmer take it up and then in, it is really hard to transfer that momentum from a steep angle entry to a horizontal speed.

每次当你看到游泳者向上跳起，又向下跃入水中时，你就会感到，他要把很陡的斜角动能，转换成水平的初速度，将是多么困难。

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At least one blade Angle bearing of a pair of such bearings permits an axial movement of the respective tension or carrier bar, whereby the latter is able to take up bending loads.

至少有一个叶片角度轴承的一对，如轴承许可证的轴向运动各自的紧张或承运人的酒吧，而后者则是能够采取行动的弯曲载荷。

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Test method (dry) : 1.3 M tape stuck in the picture has's ink surface 45 degree Angle quickly pull up not to take off oil. 2.

测试方法（完全干燥后）： 1．3M胶纸粘在画有百格的油墨表面45度角迅速拉起不脱油。

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