问题
问答题 简答题
CRH2型动车组如何控制客室内外压力变化?
答案
参考答案：为防止客室外压力变化影响客室内，地板下安装了客室通风用供排气一体的连续换气装置。客室内通风采用给排气用电动鼓风箱连续进行，并且起机构采用在通过隧道时能控制客室外压力急剧变化的机构。
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CRH2型动车组如何控制客室内外压力变化?
参考答案：为防止客室外压力变化影响客室内，地板下安装了客室通风用供排气一体的连续换气装置。客室内通风采用给排气用电动鼓风箱连续进行，并且起机构采用在通过隧道时能控制客室外压力急剧变化的机构。
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| It is five days since the doctor operated on me. I'm going home tomorrow. 1 I say good-bye to the doctor and nurses, I'd like to tell you how I had my operation. I was put to the operation 2 on the morning of April 17. You can imagine (想象) how nervous (紧张的) I was. One of the 3 told me not to worry about it. She said to me, "Don't be afraid of the 4 . Take it easy." After he had got everything ready, the smiling doctor began to give me an operation. Time passed very slowly. I couldn't help 5 , " How long will the operation last?" Then the doctor said, "It will be over in five minutes." I waited and waited while I was 6 about what would happen. The great moment came. The doctor said in a loud voice, "It's over now. You're a 7 child. You may go home in five or six days if everything is OK." It was 8 for me to pass the first and second days. I ate 9 . I felt so tired that I only wanted to 10 . But I am much better now. last night I ate a big piece of cake. I wanted to eat more, but Mother wouldn't let me do so. | ||||
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