This bulky piece acts a bit like a ratchet; the wheel requires some vibrational energy to get past it.

这个大型零件功能有点儿像防倒转的棘齿；轮子需要振动能来帮助前行。

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It forms these arches because when the wheel has rotated by a full turn, then you're basically back at the same situation, except a bit further along the route.

它形成这些拱形，是因为车轮完整的转动了一圈，然后就回到了原处，除了移动了一段路径。

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As the wheel is an important part of the diamond drill, how to design a high reliability of the wheel life and work of diamond drill bit bearings is the purpose of this article.

作为轮式金刚石钻头的一个重要部分，如何设计出具有较高使用寿命和工作可靠性的轮式金刚石钻头轴承是本文的目的。

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Just a pity, they added, he doesn't use that fact, and put his shoulder to the wheel a bit, fight on the things that really matter instead of faffing about with nonsense like the devolution of policing.

BBC: Crunching encounters - and numbers

Watson stood against the back wall of the bridge, near an old brass pilot wheel, and bit his upper lip.

NEWYORKER: Neptune��s Navy

The ultra-precise wheel, featuring 16-bit performance for more than 65, 000 values on the wheel's steering, allows players unparalleled control in turns.

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