The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.
最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。
The piston moves by steam pressure.
活塞在蒸汽压力下运动。
Filling the cylinder with steam pushes the piston out.
填充汽缸的蒸汽将活塞推出。
The core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.
蒸汽机的核心是汽缸。它一端密封，另一端有个可以移动的活塞。
Reciprocating piston pump crankshaft by connecting rods connected with the original motivation. Prime mover can be motor, steam engine can also be used.
往复泵的活塞由连杆曲轴与原动机相连。原动机可用电机，亦可用蒸汽机。
Non-piston steam displacement model was established based on steam channeling performance and steam condensate for steam stimulation wells.
然后由非活塞式驱替模型和汽窜动态资料确定井间窜通孔隙体积。
KLZ valve is a kind of universal piston type solenoid valve applicable to steam, water, air and oil.
KLZ阀是一种可用于蒸汽、水、空气、油等方面的万能活塞式电磁阀。
The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward thereby increasing the speed of the engine and cutting its fuel consumption.
最后步骤启动，这时蒸汽被导入汽缸从而驱使活塞像向前一样的向后，从而提高引擎的速度切断燃料的耗费。
The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward thereby increasing the speed of the engine and cutting its fuel consumption.
最后步骤启动，这时蒸汽被导入汽缸从而驱使活塞像向前一样的向后，从而提高引擎的速度切断燃料的耗费。
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