他利用废旧金属片制成一个蒸汽引擎的工作模型。
He made a working model of a steam engine out of old bits of metal.
迎战蒸汽引擎。
与这个单位他可能测量他的蒸汽引擎可能完成的工作。
With this unit he could measure the work his steam engine could do.
蒸汽引擎还未被发明，并且在很长的一段时期内都不会。
Steam engines had not yet been invented, nor would they for a long time.
称为西方蒸汽船标准的引擎拥有一个不同的新颖的设计。
The engine that became standard on western steamboats was of a different and novel design.
称为西方蒸汽船标准的引擎拥有一个不同的新颖的设计。
The engine that became standard on western steamboats was of a different and novel design.
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