The first steam engine was devised by Thomas Newcomer at the end of the 17th cen

游客2024-08-11 4

问题 The first steam engine was devised by Thomas Newcomer at the end of the 17th century, and the Scottish inventor______modified and improved the design in 1765.

选项 A、Abraham Darby
B、James Watt
C、John Kay
D、Richard Arkwright

答案 B

解析 James Watt(詹姆斯·瓦特)，英国著名的发明家，工业革命时的重要人物。瓦特并非第一个发明蒸汽机的人，1712年英国人汤姆斯·纽可门获得了稍加改进的蒸汽机的专利权，但纽可门蒸汽机效率非常低，只能用于煤矿排水。1763—1765年瓦特在修理纽科门泵时，设计冷凝器解决效率低的问题，完善了蒸汽机。

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The first steam engine was devised by Thomas Newcomer at the end of the 17th cen

—Istillhaven’tmadeadecision______tothenewengineeringproject.—It’sreall

Westillhaven’tmadeadecision___tothenewengineeringproject.It’sreallya

______theinventionofthesteamengine,mostformsoftransportwerehorsedrawn

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WhydidJanephoneMatt?[br][originaltext]M:Hello.MattThomasspeaking.W:

WhydidJanephoneMatt?[br][originaltext]M:Hello.MattThomasspeaking.W:

WhydidJanephoneMatt?[br][originaltext]M:Hello.MattThomasspeaking.W:

Britain’scarindustrymaybeslowingdownbutBritishengineerscanstillb

Britain’scarindustrymaybeslowingdownbutBritishengineerscanstillb

Britain’scarindustrymaybeslowingdownbutBritishengineerscanstillb

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