写出影响凝汽器端差的主要因素有哪些?

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问题:

写出影响凝汽器端差的主要因素有哪些?

考点:汽机巡检员考试汽机巡检员考试题库
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ESP

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如图12-1-11所示,螺线管CD的导线绕法不明.当磁铁AB插入螺线管时,电路中有图示方向的感应电流产生.下列关于螺线管极性的判断正确的是(   )

A.C端一定是N极

B.C端的极性一定与磁铁B端的极性相同

C.C端一定是S极

D.无法判断,因螺线管的绕法不明确

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在C语言中,控制语句______用于循环体中结束本次循环,重新开始下一次循环。

A.break

B.continue

C.abort

D.exit

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Living in a foreign culture can be exciting, but it can also be confusing. A group of Americans who taught English in other countries recently discussed their experiences. They decided that miscommunications were always possible, even over something as simple as "yes" and "no".

On her first day in Micronesia, an island in the Pacific, Lisa thought people weren’t paying any attention to her. The day was hot. She went into a store and asked, "Do you have cold drinks" The woman there didn’t say anything. Lisa repeated the question. Still the woman said nothing. She later learned that the woman had answered her: She had raised her eyebrows, which in Micronesia means "yes".

Jan remembered an experience she had in Bulgaria, a country in Europe. She went to a restaurant that was known for its cabbage. She asked the waiter, "Do you have cabbage today" He nodded his head. Jan waited, but the cabbage never came. In that country, a nod means no.

Tom had a similar problem when he arrived in India. After explaining something in class, he asked his students if they understood. They answered with many different nods and shakes of the head. He thought some people had not understood, so he explained again. When he asked again, they did the same thing. He soon found out that his students did understand. In India, people nod and shake their heads in different ways depending on where they come from. You have to know where a person is from to understand whether they mean "yes" or "no".

These Americans teaching English in other countries found that they ()

A.should go abroad for vacations

B.needed to learn foreign languages

C.should often discuss their experiences

D.had problems with communications

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可以在银行间外汇市场进行外汇交易的机构包括()。

A.经营结汇、售汇业务的金融机构

B.经营结汇、售汇以外其他外汇业务的金融机构

C.符合国务院外汇管理部门规定条件的其他机构

D.符合国务院金融监督管理机构规定条件的金融机构

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