管路系统的特性曲线是随着()的增加而上升。
A、流量
B、扬程
C、轴功率
D、效率
参考答案:A
—What is the news about?
—According to the new law, people who are guilty of drunken driving ________ face a fine of up to 2000 yuan.
A.will
B.may
C.shall
D.can
净现金流量又称现金净流量,是指在项目运营期内由建设项目每年现金流入量与同年现金流出量之间的差额所形成的序列指标。其计算公式为:某年净现金流量:该年现金流入量—该年现金流出量。 ( )