The car has a maximum speed of 120 kilometres an hour.

这车全速每小时120公里。

《新英汉大辞典》

The carbon-fiber aircraft reached a maximum speed of 68 knots (groundspeed).

碳纤维飞机达到了68节（地面速度）的最大速度。

youdao

It will have a maximum speed of 20 knots.

这将有一个最大航速为20节。

youdao

In high-speed continuous mode, the camera can shoot at a maximum speed of up to 30 fps.

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The vehicles, made of lightweight composites, have a maximum speed of 50mph and a range of more than 200 miles.

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The F12 has a maximum speed of 211 mph.

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