行包货物列车每百吨列车重量的高摩合成闸瓦换算闸瓦压力不得低于()。
参考答案:250kN
短文改错。
My name is Deniel. I'm a student. My father is a doctor.
My mother is a doctor, either. 1._________.
We are from American. But we are now in China. 2._________.
Here is an colour picture. It's a picture of my class. 3._________.
The women is Miss Chen. She is our Chinese teacher. 4._________.
Lin Ping, Wei Fang and Jan is my new friends. 5._________.
Jan is from America, too. We like China. We like all our friends here.
容灾项目实施过程的分析阶段,需要进行()
A.灾难分析
B.业务环境分析
C.当前业务状况分析
D.以上均正确