Design competition strategy contains: the first to design quantity, different strategy, and concentrated strategy.
设计竞争战略：设计质量领先、差别化策略、集中性策略。
One of them is the wastewater quantity and quality in the design stage.
其中城市污水处理厂的设计水质、水量常与实际差别很大是最主要的一个。
One of them is the wastewater quantity and quality in the design stage.
其中城市污水处理厂的设计水质、水量常与实际差别很大是最主要的一个。
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