In 1941, the train would have been pulled by a steam engine.
1941年，火车可能已由蒸汽机车来牵引了。
This was to occur with progress in the development of the steam engine.
这是随着蒸汽机的发展进步而发生的。
Q: is this really a steam engine?
问：这真的是蒸汽机？
迎战蒸汽引擎。
When was the steam engine invented?
蒸汽机是何时发明的?。
This is the shaft of a steam engine.
这是一个蒸汽机主轴。
Who invented the first steam engine?
谁发明了第一台蒸汽机？
The steam engine did more than change travel.
蒸汽机不止改变了旅行（的方式）。
The constable in town has a steam engine.
镇里的治安官有一台蒸汽机。
A steam engine transforms heat into power.
蒸汽机将热能转变成动力。
It is, therefore, a glorified steam engine.
因此，它是一个被美化了的蒸汽机。
A steam engine transforms heat into energy.
蒸汽机使热转变为能。
坏蒸汽机！
You'll have a Gaia steam engine that way, too.
那样的话，你将拥有一个盖娅蒸汽发动机了。
I think steam engine is the greatest invention.
我认为最伟大的发明是蒸汽机。
They gave him the steam engine, I'm sure of it!
我敢保证，是他们给了他蒸汽机！
We couple the name of Watt with the steam engine.
我们把瓦特的名字与蒸汽机联系在一起。
This steam engine is only about 15 percent efficient.
这个蒸汽机是大约只有15%有效率。
About220 years ago man did not know any steam engine.
大约二百二十年前人们不知道任何蒸汽机。
This steam engine is only about 15 per cent efficient.
这种蒸汽机的效率只有15%左右。
Horizontal Slide Valve Steam Engine plans with instructions in.
pd f format横向滑阀蒸汽机计划的指示。
He made a working model of a steam engine out of old bits of metal.
他利用废旧金属片制成一个蒸汽引擎的工作模型。
The development of the steam engine was a great technological advance.
蒸汽机的研制成功是工业技术的一大进步。
The development of the steam engine was a great technological advance.
蒸汽机的研制成功是工业技术的一大进步。
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