更多“氟里昂22是无毒无气味。() ”相关问题
  • 第1题:

    氟里昂冷凝器(换热器):它的作用是将高温气体氟里昂()。
    冷凝液化

  • 第2题:

    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;


    A

  • 第3题:

    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;


    等焓过程

  • 第4题:

    在双级压缩制冷循环中,对于氟里昂类制冷剂如R22、R134a、R290、R502等,采用 ;对于R717制冷剂,采用 的双级压缩制冷循环。


    C

  • 第5题:

    塑料袋装茶叶,价廉、无气味、透明、防潮没缺点,因此是最佳的。


    15 (0902.3010)