The crank handle is rotated to lead a screw to rotate through an umbrella wheel.

转动摇把，通过伞轮使螺杆转动。

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Rotate the crank handle of bed board c, patient can be moved parallelly to another ward bed or operation table.

摇动床体c的摇杆，躺在上面的病人可平行移至另外一张病床或手术台上。

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The bell crank connects to a Tiller handle using a universal joint.

钟曲柄连接到一个使用通用蘖处理联合。

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The crank-handle drives a dynamo through a clever transmission system, and the resulting electrical energy goes straight into a rechargeable battery.

ECONOMIST: MONITOR

Because some users turn the crank-handle faster and harder than others, a nifty three-stage gearbox and a dynamo based on powerful neodymium-iron-boron magnets is used to ensure that efficiency is largely independent of the torque applied.

ECONOMIST: MONITOR

The control for this valve is a rotating crank handle that has to be screwed what feels like a hundred turns to switch from one position to the other.

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