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【单项选择题】

In a vapor compression refrigeration the evaporating pressure is maintained constant by the action of the (), which removes vapor from the evaporator at the same rate at which it is formed.

A、A.evaporator

B、B.compressor

C、C.condenser

D、D.none of the above

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第1题

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第2题

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第3题

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第5题

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第6题

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第7题

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第8题

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第9题

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第10题

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