The head wheel is provided with teeth fitting with the drag chains.

头轮上设有与牵引链相吻合的齿。

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There is also a new steering wheel with an energy-absorbing rim to cushion the driver's head in the worst impacts.

还有新式方向盘，其边缘具有减震功能在最严重的冲击中缓冲保护司机的头部。

《柯林斯英汉双解大词典》

But maybe there are some other things we can do to the car to stop a wheel hitting your head.

但也许有其他什么事我们可以做一做，以避免轮胎击中你的头部。

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A big wheel may be the head of a company, a political leader, a famous movie star.

VOA: special.2009.11.29

We would figure it out and then everybody would head to The Wagon Wheel to get breakfast together.

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Every few minutes I shook our driver as his head nodded down towards the wheel.

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So for tall people who like to sit close to the steering wheel, your head will hit the sunshade in the Fortwo Electric Drive Coupe.

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