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美国陆军工程师团为了将加利福尼亚州特尔米乌斯 (Terminus)坝的溢洪道加高 6.4m研究了各种比较方案。阐述在经过一段详细研究后 ,基于其运行可靠性和经济性而选定保险闸门系统的原因。
The United States Army Corps of Engineers studied various comparative scenarios in order to increase the spillway of the Terminus dam in California by 6.4m. Describe the reason for selecting a safety gate system based on its operational reliability and economy after a detailed study.