With inner-race rotation slingers should be provided to throw the oil back into the bearing.

当内圈转动时，应该有回注装置使扔掉的油回注轴承。

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Please specify inner race direction of rotation seen from the A side.

定购时请注明自A向视之内环旋转方向。

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The rotation system meant that after Colombia dropped out of the 2014 race, Brazil was left as the sole candidate -- a situation FIFA president Sepp Blatter wanted to avoid in the future.

CNN: FIFA end World Cup rotation policy

To Jordan, every race had an order how riders should move up in a pack, the ideal rotation in a breakaway, a rhythm to be respected.

WSJ: Cycling: Jason Gay: The Last Big Wheel of NYC