Heat is transferred through a plane wall steadily at a rate of 750 W. If the inner and outer surface temperatures of the wall are 30°C and 15°C, respectively, and the environment temperature is 15°C, the rate of exergy destruction within the wall is
A、37 W;
B、731 W;
C、7200 W;
D、9600 W;
E、1.9 W
发布时间：2025-03-01 20:50:14
