南水北调中线工程渠首区位于河南省南阳市。
The channel origin of the medium route project of water transfer from south to north locates the Nanyang City in Henan province.
中游渠首地基是粘粒极少、极松散的粉细沙层。
Middle reaches canal head foundation is the non-cohesive soil, extremely loose silt sand.
喀什河渠首枢纽工程是在林公渠的基础上建造起来的。
The Kashi River canal headwork was built on the basis of the Lingong canal.
这些措施主要有：节约用水，在渠首建防沙设施，以减少引沙量；
The controlling measures are mainly to economize on water, build sediment prevention facilities at headworks for reducing the amount of sediment diversion;
分析了南部引嫩工程渠首江道的现状，在调研分析论证基础上，提出了相应的整治措。
The present situation of the river course of headworks in southern diversion project of Nenjiang river is analysed.
林公渠在服务了一百二十三年之后，1967年就被我们眼前的渠首枢纽工程所取代了。
Having been in service for 123 years, the Lingong canal was replaced in 1967 by this canal headwork in front of us.
渠系输水损失占渠首总引水量的50%，渠道防渗是我国目前应用最广泛的节水工程技术。
Water losses in irrigation canal systems are about 50 percent, and canal anti-seepage as an engineering technique of water saving irrigation is widely used in China nowadays.
本文记述了秦郑国渠大坝的发现，并依据考古资料，论述了郑国渠渠首枢纽工程的布局，以及技术特点。
The present paper describes the discovering of the dam of zhengguo canal and discusses the layout of its main structure at the starting part according to archaeological data.
采用利津站1980 ~ 2002年系列分析了黄河来水以及引黄济青渠首从黄河可引水量和引水天数。
Data series of 1980-2002 of Lijin hydrology station are applied to analyze Yellow River flow and available water amount to be diverted.
采用利津站1980 ~ 2002年系列分析了黄河来水以及引黄济青渠首从黄河可引水量和引水天数。
Data series of 1980-2002 of Lijin hydrology station are applied to analyze Yellow River flow and available water amount to be diverted.
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