交通部于1979年12月5日至9日在湖南省长沙市召开了《金属船体制图》(CB3009-77)、《金属船体构件理论线》(CB253-77)和《设计技术资料的一般规定》(CB3001-77)三项船舶基础标准第一期宣贯学习会议。参加学习的有中南、华南、西南等地区的六机、交通、水产、海军系统的科 The Ministry of Communications held “Metal Ship Chart” (CB3009-77), “Theoretical Line of Metal Hull Components” (CB253-77) and “General Design Technical Data” in Changsha, Hunan Province from December 5 to December 1979. Provisions "(CB3001-77) three basic criteria for the first phase of the ship propaganda learning conference. Participate in the study of Central South, South China, Southwest and other regions of the six machines, transportation, aquatic products, the Navy’s Section