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 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。
The rugged design of this steam engine is unusual in combining the functions of crosshead guide and cylinder support in a single set of columns.
崎岖的设计，这蒸汽机是不寻常的结合，职能十字头，引导和支持在缸一套单一的栏目。
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。
By releasing the steam, part of this energy is exploited in the engine's middle cylinder thus significantly increasing economy of such engine.
蒸汽释放，这部分能量利用了发动机的中缸，从而大大提高这种发动机的经济。
By releasing the steam, part of this energy is exploited in the engine's middle cylinder thus significantly increasing economy of such engine.
蒸汽释放，这部分能量利用了发动机的中缸，从而大大提高这种发动机的经济。
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