dujiangyan irrigation system canal head
常見例句
- A kind of optimal allocation of water model to the water distribution of the head of canal of Dujiangyan irrigation system is discussed in the article.
通過對灌區(qū)調(diào)度配水關(guān)鍵因素的分析，基于灌區(qū)整體經(jīng)濟效益函數(shù)和作物階段分水函數(shù)構(gòu)造，討論了制定都江堰渠首實際水量調(diào)配方案。 返回 dujiangyan irrigation system canal head