一个公司提出这样想法：嵌在人行道和路面上的金属条用液压活塞的作用使飞轮转动。
One company has presented an idea in which metal strips inserted in pavements and roads operate fly wheels by means of a piston action using hydraulic fluid.
活塞把燃料的潜在能量转化成为动能，其将会转动曲轴。
The piston converts the potential energy of the fuel into the kinetic energy that turns the crankshaft.
发动机的一个工作循环分布在活塞的四个行程中，一个完整的工作循环曲轴需要转动两圈。
The cycle of operations is spread over four piston strokes. To complete the full cycle it takes two revolutions of the crankshaft.
我们已知道燃烧产生高压，并推动活塞下行，带动曲轴转动。
We have noted that this combustion produces a high pressure that pushes the piston down so that the crankshaft is rotated.
在剂量设定时，活塞杆被锁住使得剂量设定元件的转动运动不引起活塞杆的转动运动。
During dose setting the piston rod is locked such that rotational movement of the dose setting member does not result in rotational movement of the piston rod.
其特征是一个与主轴转动配合的齿轮套与两套活塞组的连杆齿条相啮合。
It features in the engaging of the gear sleeve that matches with the rotary of the master shaft and the connecting rod rack of two sets pistons.
Hytork角行程执行器由活塞牵引转动，透过一个简单的中央模架和齿轮将直行程转成角行程，产品设计寿命长。
The Hytork range of quarter turn actuators are piston operated. The linear movement is translated to quarter turn through a simple central modular rack and pinion, designed for long life.
Hytork角行程执行器由活塞牵引转动，透过一个简单的中央模架和齿轮将直行程转成角行程，产品设计寿命长。
The Hytork range of quarter turn actuators are piston operated. The linear movement is translated to quarter turn through a simple central modular rack and pinion, designed for long life.
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