波过程计算应用（）参数。
A.集中
B.分布
C.机电暂态
D.准稳态
参考答案：B
----Could you look after my baby while I am away?
----__________________
A．Certainly. Here you are.
B．It’s very kind of you.
C．Sure. Give it to me.
D．Sure. With pleasure.
精馏塔塔釜温度高，应（）进行调节。
A、增加排放量
B、增加再沸器加热蒸汽量
C、提高回流量
D、减少入料量
