题目内容

热量传递的方式主要有三种:( )、( )、( ),在平壁导热过程中q=λA(t1-t2)/δ,传热推动力是()。

查看答案
更多问题

黑体的表面温度从300℃升至600℃,其辐射能力增大到原来的()倍。(保留两位小数点)

Mr. Fool tried to move _______________________ ① in front of his house with his family.

Mr. Wise _______________________ ② him and tried to stop him.

Mr. Fool refused him and ______________________ ③ with his family.

答案查题题库