英德
有道
百度
谷歌
图片
维基
百科
农渠
field ditch
sublateral canal
sublateral canal
- 摘要针对灌区目前缺少适用于面广量大的斗、农渠，以及适合大面积推广应用的量水方法等问题，提出一种基于细长板开启角与明渠流量关系的量水方法。
In consideration of the fact that there lacks a reasonable method suitable for wide application in flux measurement for considerable lateral canals and ditches, a new method based on the relationship between the opening angle of long and narrow plate and flux of open channel is put forward. - 由于长期以来出现“重骨干、轻田间”的现象,致使灌区末级渠系不配套,骨干工程缺乏合理的末级渠系做依托,从而影响了灌溉效益的充分发挥.赣抚平原灌区在末级渠系改造过程中,对农渠采用砼“U”型渠,取得良好的效果.
The full irrigation benefit was influenced by the phenomenom of emphasizing the backbone canal and neglecting small canal.The concrete U-shape canal was adopted for the field ditch as bank protection in the end canal system modification of Ganfu Plain Irrigation Area.The results is good.
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