1 The extension project of Taocha Canal Headwork will be the water sources project of the Middel Line of Diversion Project from South to North China.

2 The Kashi River canal headwork was built on the basis of the Lingong Canal.

3 This paper discusses existent problem of headwork at Yuelai Irrigation Area in Huachuan County and adoptable measures.

4 This was accomplished by separating the project into two main parts; the headwork and the irrigation system.

5 Having been in service for 123 years, the Lingong Canal was replaced in 1967 by this canal headwork in front of us.

6 An optimum design method for the artificial bend channel in diversion headwork of bend type by the theory of minimum rate of energy dissipation.