Steam的中文是（）。

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  A . was inventing B . invented C . had invented D . has invented

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• Which of the listed types steam traps operates on the principle that hot water flashes to steam when its vapor pressure is rapidly reduced?（）

  A . Ball float B . Thermostatic C . Bimetallic D . Impulse

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• 蒸汽发生器 steam generator

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• The engine（）smoke and steam.

  A、gives in B、gives away C、gives off D、gives up

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• Steam smoke will occur when（）.

  A . extremely cold air from shore passes over warmer water B . warm dry air from shore passes over cooler water C . cold ocean water evaporates into warm air D . cool rain passes through a warm air ma

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• （）, iea steam cooler, may be filled in the boiler system to control the superheated steam temperature.

  A . An economizer B . An attemperator C . A water dram D . A down-comer tube

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• The steam boiler is part of a closed loop steam, whereby, after the energy of the steam is used up and it becomes water again, （） is collected and returned back to the boiler for heating up again to steam.

  A . the former B . the first C . the latter D . the last

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• Gas turbines differ from steam turbines in that （）.

  A . steam rather than gas is used to turn a shaft B . vapor rather than gas is used to turn a shaft C . the former uses gas to turn a shaft D . the latter uses gas to turn a shaft

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• 主蒸汽管道破裂事故 main steam line break accident

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• Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.

  A . spring，around late evening B . spring，around early evening C . fall，around early morning D . fall，around midday

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• What is an advantage of diesel over steam turbine propulsion? （）

  A . Less fuel consumption per SHP B . Diesel fuel costs less than bunker C or its equivalent C . Less routine maintenance required D . Less weight per SHP

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• 蒸汽发生器传热管破裂事故 steam generator tube rupture accident

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• ( )是世界上最大PC游戏平台Steam的运营商。

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• 美国提出一种超学科的教育理念STEAM，包含哪些方面？

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• 以下关于MRS常用的PRESS和STEAM两种技术应用，说法正确的是？

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• 最早采用steam engine术语来描述蒸汽机的是：

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• 开展STEAM教育的前提是学生需要具有一定的（)

  A．学科基础知识 B．表达能力 C．热情 D．爱好

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• The temperature（be)______110°C,water boils and turns into steam.

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• 未来教育发展的挑战包括STEAM教育的挑战方面。（）

  对 错

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• 下面那个游戏不是Steam上的（）

  A．S B．彩虹六号 C．骑马与砍杀 D．塞尔达荒野之息

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• 9、STEAM教育常采用跨学科教学的学习模式。

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• 9、STEAM教育所包含的学科有（）。

  A．科学 B．语言 C．技术 D．工程 E．艺术 F．数学

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• 62、STEAM教育重在培养学生的工程思维和设计思维。

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