每小时每平方米炉膛截面放出的热量称为()。
A、炉膛截面热负荷
B、炉膛容积热负荷
C、热负荷
参考答案:A
.No one is to _________ without showing the passport at the entrance to the hall.
A.admit
B.be admitted
C.have admitted
D.have been admitted
基本建设程序阶段。