as we can see,to transport fluid from a to B is a basic human need,be it drawing water by bucket from wells in the Sahara Desert or pumping natural gas ashore from a gas drilling rig in the North Sea.

• 正如我们看到的,把流体从a送到B是人类的一个基本要求，就像在撒哈拉沙漠里用水桶把水从井里提出来以及从北海的天然气井台把气输送到岸上。