级别: 总版主 ... 布水眼 water distribution holes 挡水板 water fender 安装板 installing plate ...
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... 关键词】渠道防渗；渠道水利用系数；输水损失率 [gap=984]Key words】Channel seepage;Channel water utilization coefficient;Rate of loss during transportation ...
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...网 关键词：渠道渗漏损失；渠道水利用系数；评估方法 [gap=484]Keywords: Channel leakage loss; Channel water use coefficient; Evaluation method ...
基于1个网页-相关网页
最后分别计算出沈阳市以上十个主要灌区各级渠道的渠道水利用系数、渠系水利用系数和水田的耗水量。
Finally, the canal water efficiency of all levels of canals, canal system water efficiency and paddy field water consumptions of the 10 main irrigation areas in Shenyang city were put out.
渠道密度与渠系水利用系数两者之间关系式的确立，有助于从理论上评价渠道分布对渠系水利用系数的影响。
Establishing the relation between canal density and canal-system water use efficiency can facilitate the evaluation of the influence canal distribution on canal-system water use efficiency.
通过渠道清淤防渗工程和小农水连片建设，有效地提高了灌溉水利用系数。
Seepage through the channel dredging project and the construction of small-scale water contiguous to effectively improve the utilization coefficient of irrigation water.
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