水利水电第九工程局完成的“七五”国家科技重点攻关项目“水电工程筑坝技术”中的“高混凝土坝快速施工技术研究”专题达到国际先进水平。1991年底,九局又承接了“八五”国家重点科技攻关项目“高拱坝建设关键技术研究”中的“高拱坝快速施工与温度控制”专题的科技攻关任务。1992年1月6日～8日,该专题各子题可行性报告论证会在东风工地召开。该专题共分4个子题,即缆机 The ninth project of Water Conservancy and Hydropower completed the “Seventh Five-Year” key national science and technology project “Hydropower Engineering Dam Construction Technology” in “high-speed concrete dam construction technology research” topic reached the international advanced level. At the end of 1991, the 9th Bureau also undertook the scientific and technological tackling task of the topic of “Rapid Construction and Temperature Control of High Arch Dams” in the “National Key Science and Technology Project for High Arch Dam Construction” during the Eighth Five-Year Plan. From January 6 to January 8, 1992, the feasibility study report of each subheading on the topic was held in Dongfeng site. The topic is divided into 4 sub-topics, namely cable machine