支渠，又称配水渠道。从干渠取水分配给各用户的输水渠道。一般布置在干渠的一侧或两侧，其设计要求及线路选择，视地形条件而定。支渠在灌溉系统中作为灌区内部分配水量的渠道。上承干渠、下接斗渠。在大型灌区，支渠控制的灌溉面积一般在万亩以上。在田、路、渠、林 配套时，支渠两侧应营造防护林带。
n. distributary
adj. lateral
misc. branch canal
分支渠 branched channel
支渠进水闸 head gate of lateral
支渠分水闸 head gate of lateral division
涵洞式支渠进水闸 head gate of lateral culvert type
木箱式支渠进水闸 head gate of lateral wooden box
明渠式支渠进水闸 head gate of lateral open channel type
支渠分水闸门 bifurcation head gate of laterals
支渠进水闸门 lateral head gate
双支渠分水闸 Headgates of laterals bifurcation
另外，本系统也可以进行灌区支渠水文资料整编以及水量、水费计算。
In addition, the hydrological data reorganization of branch channels of irrigated area and the calculation of water quantity and water rate can be done using this system.
计算了典型支渠所属斗﹑农渠设计流量，阐述了灌溉渠道断面的设计思路。
This paper calculates the design flow of the sublateral canals of the typical branch canal, and expounds the design thought of the cross-section of the irrigation canal.
分析五岸灌区十支渠现行水价存在的问题，以十支渠水利供水工程为例测算成本水价。
Secondly, this paper analyzed the existing problems in Wuan irrigated district currently and accounted the water cost price of water supply engineer in the Tenth Branch Canal.
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