能满足内表面温度要求的围护结构传热阻就是围护结构的( )。
A．最大传热阻
B．经济传热阻
C．最小传热阻
D．技术传热阻
参考答案：C
—Why do you like to ________ in the malls?
—Because they give customers good bargains all the time. [ ]
A. keep out
B. put out
C. hang out
D. take out
