How to control water cut, extend swept volume of water injection and enhance oil displacement efficiency is a problem in dire need of settle at this time.

如何有效地控制含水，扩大注水波及体积，提高驱油效率是当前所要急需解决的问题。

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Surely British shoppers and workers could do with a similar injection of national pride in these economic dire straits?

BBC: Buy British: Why isn't there a new campaign?