排水定额 wastewater flow norm ; drainage requirement ; drainage quota
用水定额 water consumption norm ; water duty
灌水定额 irrigation requirement ; irrigation quota on each application
需水定额 quota of water demand
取水定额 Norm of water intake
毛灌水定额 gross duty of water
灌溉用水定额 quota of irrigate water
农业用水定额 Water quota for agriculture
储水定额 storage irrigation quota
科学控制入畦(沟)流量、水头、灌水定额、改水成数等灌水要素。
Scientifically control the irrigation factors affecting water volume into the strips (furrows), water intake and irrigation quotas, and the proportion of water volume changes.
若有人对水的需求量高于平均值，最好是定额配给，小口啜，切忌一饮而尽。
For people who require above average amounts of water, it is best to ration that water and sip it rather gulp it.
我们得将水按定额配给。
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