... irrigation farming method 灌溉农专 irrigation gate 闸口 irrigation installation 灌溉设备 ...
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irrigation and drainage gate 灌排闸门
irrigation n gate 闸口
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It has realistic significance to research on using working gate with submerged discharge to measure water in canal for slab irrigation district.
对于平原灌区，研究利用以淹没出流为主的工作闸门进行渠道量水具有现实意义。
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