Canceling the conference will make a very bad ___________.
A、impression
B、program
C、pressure
D、imagination
From Paragraph 2, we can learn that ______.
A.the airline agents are generally under pressure of work
B.the airline agents are lazy people
C.the airline agents must be forced to work hard
D.all the employees will not find it unbearable to be monitored by the computer
From Paragraph 2, we can learn that ______.
A.the airline agents are generally under pressure of work
B.the airline agents are lazy people
C.the airline agents must be forced to work hard
D.all the employees will not find it unbearable to be monitored by computer
An auxiliary reservoir for starting auxiliary engines should be kept at _____.
A.low pressure at all times
B.full pressure at all times
C.low pressure at intermittence
D.full pressure at intermittence
According to the article, what causes ear discomfort while flying?
A.A change in air pressure.
B.A change in drinks.
C.A change in plane speed.
D.A change in temperature.
A、计算物性参数——水力计算的需要。Calculation of physical parameters - requirements for hydraulic calculation.
B、根据沿线温降曲线,分析凝析水和水合物可能形成的段落——判断水合物生成区域的需要。According to the temperature drop curve along the line, the possible stages of condensate water and hydrate formation are analyzed -- the need of hydrate formation area is determined.
C、为管线热应力计算和绝缘层选材设计提供依据——管道强度计算的需要。It provides the basis for calculation of thermal stress of pipeline and material selection design of insulation layer.
D、以上都不对
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