简述输油管道的输送工艺。
参考答案：
长距离输油管道目前常用的输油工艺有①“旁接油罐”和②“从泵到泵”两种。
—Could I please use your bike?
— . I have to go out.
A．Yes,you can.
B．Yes,you can’t.
C．Yes,I can.
D．Sorry, you can’t.
半污染区
