论文部分内容阅读
随着工农业生产和科学技术的迅速发展,近百年来,特别是近数十年来,世界水利建设事业取得了很大的进展。但教训也是沉重的。我所粟宗嵩同志,对国外在近代治水工作中,已经造成的大型自流渠灌区的次生盐碱化,盲目地大规模开采地下水而引起的恶果,渠库泥沙淤积之害三大教训作了一个概括介绍,已载本刊74年第一期,本文是续
With the rapid development of industrial and agricultural production and science and technology, great achievements have been made in world water conservancy construction over the past century, especially in recent decades. But the lesson is heavy. Comrade Su Zong Song of our institute gave a summary of the three major lessons learned from the salvage of secondary salinization in the large-scale gravity drainage system, blindly large-scale exploitation of underground water and the siltation of the canal in the recent flood control work in other countries A general introduction, has been published in the first issue of 74, this article is continued