室外大量跑油时，应首先（）。
A.停运稳前原油泵
B.停运加热炉
C.关闭跑油处阀门
D.倒站外循环流程
参考答案：B
― I don't know ______. Can you tell me?
― In the school hall. [ ]
A. where we'll have a party
B. when will we have a talk
C. when we'll have a meeting
D. where are we going to see the film
水刷石面层出现空鼓的原因和防治措施是什么
