抽汽逆止门起什么作用?
参考答案:
1)防止加热器水位升高返回汽轮机发生水冲击。
2)防止汽轮机甩负荷时抽汽管余汽返回汽轮机引起超速。
Hello, I’m Lucy. I am from the USA. But now I’m in China. My teacher is Miss Chen. She is from Tianjin. She is Chinese. I have a sister. Her name is Lily. Sheis in China , too.We are in the same school.
阅读短文,判断句子正(用 “T” )误(用 “F” )
小题1: Lily and Lucy are from Canada.
小题2: They are in China now.
小题3:. Miss Liu is their teacher.
小题4: Miss Chen is from Dalian.
小题5: Lily and I are students.
负债流动性应当从()和()两个角度进行深入分析。
A.个人负债;法人负债
B.个人负债;机构负债
C.零售负债;公司/机构负债
D.个人负债;公司/机构负债