supplemental water-supply source 辅助供水水源
supplemental water treatment 补给水处理
Native wildflower and grass meadows require no fertilizer, little or no supplemental water, and only annual mowing, once established.
本土的野花地和草场一旦栽植好，不需要肥料，也几乎不需要补充额外的水，只需每年除除草。
Results showed that, the environmental water demand almost linearly increased with the pollution loading, and exponentially increased with the pollutant concentration of the supplemental water.
结果表明，随着污染负荷和补水本底污染物浓度的增加，环境需水量分别成近似线性和指数函数增加；
Effluents from other processing plants may also be used as a supplemental source of water.
而其他水处理厂排除的废水，也可以作为补充水源水被使用。
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