问题
问答题 简答题
什么是凝汽器的传热端差？影响传热端差的主要因素有哪些？
答案
参考答案：
凝结水与冷却水温度之差，即为凝汽器的传热端差。
影响传热端差的因素主要有传热面清洁、凝汽器漏气、水速、传热面蒸汽负荷及冷却水温度。
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什么是凝汽器的传热端差？影响传热端差的主要因素有哪些？
参考答案：
凝结水与冷却水温度之差，即为凝汽器的传热端差。
影响传热端差的因素主要有传热面清洁、凝汽器漏气、水速、传热面蒸汽负荷及冷却水温度。
The New Year is coming. Our class is going to have a . When is a good time to have it? I did a survey (调查). Some classmates to have it on Thursday night. But some classmates said they had to study for the test. Wang Mei said we could have the party on Friday. That’s a idea. So we decided to have it on Friday afternoon. There are only four days left. We prepare for it right now. We plan to invite some of our teachers. Our monitor is going to bring them the party without telling them about it. we’re sure that they will be . I think of some games to play at the party. If one wins the game, he/she some small gifts. Wang Mei is going to organize some shows singing and dancing. Should we ask our classmates to bring food? I’m afraid that we ask them to bring food, they’ll just bring some junk food. So we will bring some fruit and vegetables, and we can make salad by ourselves. we will have a good time. We can’t wait.
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