随着聚合物驱工业化的推广，油田消耗清水量越来越多，同时也造成污水由于过剩而大量外排。
The consumption of fresh water in oil field has increased dramatically as the extension of polymer - displacement industrialization.
但随着聚合物驱工业化的推广，油田消耗清水量越来越多，同时也造成污水过剩而大量外排的问题。
However, with the polymer flooding to extend of industrialization, more and more fresh water is consumed, but also the problem is caused excess of produced water by efflux.
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