氟里昂22是无毒无气味。() A．错误B．正确
氟里昂22是无毒无气味。()
A．错误
B．正确
相关考题：
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;
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;