焦化加热炉的工艺指标主要有哪些?
参考答案:
辐射出入口温度,炉膛温度、对流出入口温度,注汽量,辐射出入口压力,热效率,对流及辐射流量等。
The hospital ______ well, where many wounded ______ every day.[ ]
A. is operated, operation
B. operates, are operated on
C. operates; are operated
D. operates; operates on
“十年树木,百年树人”说明教育具有()
A.创造性
B.广延性
C.长期性
D.示范性