什么叫干点？
参考答案：
油品进行恩氏蒸馏时，随着油品按其沸点的高低逐渐蒸出，汽相温度也逐渐升高蒸馏到最后所达到的最高汽相温度称为干点。
— So you gave her your phone?
— . She said she'd return it to me when she could afford her own.[ ]
A. My pleasure
B. Not exactly
C. No doubt
D. No wonder
配水管主要把干管输送来的水配给接户管和消防栓，管径至少( )，同时供给消防用水的配水管管径为( )。
A．≥100mm；≥150mm
B．≥150mm；≥200mm
C．≥120mm；≥150mm
D．≥80mm；≥150mm
