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煤便宜的地方,蒸汽动力就经济。
Where coal is cheap, steam power may be economical.
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目前,煤是蒸汽动力厂的最常用的能源。
At present coal is the most common food of a steam plant.
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冷凝器系统是蒸汽动力装置的主要组成部分。
Condenser system is the main part of steam power device.
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什么轮船首先以蒸汽为动力?
Which was the first ship to be powered by steam?
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蒸汽机将热能转变成动力。
A steam engine transforms heat into power.
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用蒸汽驱动的动力铲。
A power shovel that is driven by steam.
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蒸汽机把热转化成动力。
A steam engineer transforms heat into power.
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蒸汽机把热转化成动力。
A steam engineer transforms heat into power.
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