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氟里昂22是无毒无气味。()
A.错误
B.正确
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36、在制冷机中十分重要的是节流过程,下列关于节流过程哪种是正确的? Throttling is very important in a refrigerator. Which of the following is correct about throttling?A.氟里昂从大管子流向小管子; Freon flows from the big pipe to the small pipe;B.氟里昂从小管子流向大管子; Freon flows from the smaller pipe to the larger pipe;C.氟里昂从冷管子流向热管子; Freon flows from cold pipe to hot pipe;D.氟里昂不流动; Freon does not flow;
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在制冷机中十分重要的是节流过程,下列关于节流过程哪种是正确的? Throttling is very important in a refrigerator. Which of the following is correct about throttling?A.氟里昂从大管子流向小管子; Freon flows from the big pipe to the small pipe;B.氟里昂从小管子流向大管子; Freon flows from the smaller pipe to the larger pipe;C.氟里昂从冷管子流向热管子; Freon flows from cold pipe to hot pipe;D.氟里昂不流动; Freon does not flow;
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