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江苏、安徽、浙江、福建、江西、湖南、湖北、广东、云南、贵州、四川、广西、上海等省、市科协、学会,为大力采用先进技术和加速实现四个现代化做出积极贡献,经湖南、江西两省机械工程学会的倡议,并得到负责推广CO_2气保焊工作的天津市焊接研究所的大力支持,于1月7日—9日在湖南省召开了南方十三省、
Jiangsu Province, Anhui Province, Zhejiang Province, Fujian Province, Jiangxi Province, Hunan Province, Hubei Province, Guangdong Province, Yunnan Province, Guizhou Province, Sichuan Province, Guangxi Province and Shanghai Municipality and other cities and counties. They also make active contributions to the vigorous use of advanced technologies and acceleration of the four modernizations, The initiative of the Society of Mechanical Engineering in Hunan and Jiangxi provinces and strong support from Tianjin Welding Research Institute, which is responsible for popularizing CO2 gas welding, held 13 provinces in the south of Hunan Province from January 7 to January 9,