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.
应用推荐