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[单选题]

Which air is used to feed the HPTACC system（）

A.Fan air

B.HP compressor 5th stage air

C.HP compressor 4th and 9th stage air

单选题，请选择你认为正确的答案：

ABC

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更多“Which air is used to feed the HPTACC system（）”相关的问题

第1题

Which transportation mode is the most commonly used one in international trade________？

A.air transport

B.railway transport

C.ocean transport

D.international multimodal transport

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第2题

The moisture equilibrium chart can be used to determine the ______．A.Absolute moisture con

The moisture equilibrium chart can be used to determine the ______．

A.Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists

B.Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity

C.Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo

D.Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo

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第3题

An administrator receives a contract for a server install at a new building. Which of the followingshould be completed after installing the server？（）

A. Log the administrator password used

B. Test the air temperature

C. Update the network diagram

D. Review the evacuation procedures

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第4题

Which of the fluids listed is normally used to condense the primary refrigerant in a shipb

oard central air conditioning system？

A.Air or Nitrogen

B.Seawater or Fresh water

C.Sodium Nitrate brine

D.Calcium Sulfate brine

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第5题

A high temperature alarm or（）which will melt is used to guard against the explosion of compressor air pipelines

A．flame trap

B．a relief valve

C．a fusible plug

D．a bursting ca

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第6题

Lesson 15 词汇拓展-词汇选择-10 ADSB broadcasts aircraft position and other relevant information to air traffic controllers over several dedicated datalink technologies which are simply different ________used by the equipment to transmit and receive.

A.channels

B.frequencies

C.protocols

D.stations

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第7题

【单选题】Lesson 15 词汇拓展-词汇选择-10 ADSB broadcasts aircraft position and other relevant information to air traffic controllers over several dedicated datalink technologies which are simply different ________used by the equipment to transmit and receive.

A.channels

B.frequencies

C.protocols

D.stations

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第8题

5、本实验是把气压的压力变化通过扩散硅压力传感器转化为电压的变化，微弱的电压信号经差动放大器放大后，用毫伏表观察电压的变化，并进行数据分析处理和人体血压的测量。 In this experiment, the pressure change of air pressure is transformed into the change of voltage through the diffusion silicon pressure sensor. After the weak voltage signal is amplified by the differential amplifier, the change of voltage is observed with a millivoltmeter, which will be used for data processing and blood pressure measurement.

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第9题

Smoking,which may be a pleasure for some people,is a serious source of discomfort for their fellows.（）,medical authorities express their concern about the effect of smoking（）the health not only of those whosmoke but also of those who do not.In fact,non-smokers who must involuntarily inhale (吸入) the air（）bytobacco smoke may suffer more than the smokers（）.

Smoking is prohibited in the theatres and in halls used for showing films（）n laboratories（）there may bea fire hazard (危险).Elsewhere,it is up to your good（）.

I am（）asking you to maintain ”No-Smoking” in classrooms and seminar rooms.

This will prove that you have the（）health in mind,which is very important to a large（）of our students.

1.A.StillB.FurtherC.MoreD.Again

2.A.withB.onC.toD.in

3.A.pollutingB.be pollutedC.to be pollutedD.polluted

4.A.theyB.their ownC.themselvesD.them

5.A.as well asB.andC.butD.also

6.A.howB.thatC.whichD.where

7.A.thinkB.feellngC.senseD.realize

8.A.nextB.thereforeC.soD.and

9.A.non-smokerB.non-smokers'C.non-smokersD.non-smoker’s

10.A.manyB.numberC.amountD.much

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第10题

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