Water demand ratio influences directly water quantity for mixing ash concrete.

需水量比的大小直接影响着粉煤灰混凝土的拌和用水量.

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There are many study results on ecological water demand of estuary at present.

目前国内对河口生态环境需水研究较多.

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The minimum instream ecological water demand is the epiboly value of each instream flow quantity.

河道内各项需水量的外包值为河道内的最小生态环境需水量.

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As for corridor ecological water demand , the methods include issue - composed method and integrity - coupled method.

河流廊道生态需水的计算方法主要有分项合成法和整体耦合法.

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