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中南科技情报网于一九七九年九月六日至十日在河南洛阳召开了技术经验交流会。参加会议的有广东、广西、河南、湖南、湖北五省（区）地质局、队以及科研部门、院校和煤炭、冶金、建材等兄弟单位的代表共九十五人。会议主要是交流复杂岩层钻探施工的经验，共收到经验交流材料二十九份，十四位同志在大会上发了言。河南三队和湖南四○七队分别介绍了他们对复杂岩层进行综合治理的经验；广东七○三队、广西地质钻探工程队和湖北五队介绍了聚丙烯
South China Science and Technology Intelligence Network held a technical exchange of experience in Luoyang, Henan Province from September 6 to September 9, 1979. A total of 95 delegates from Guangdong, Guangxi, Henan, Hunan and Hubei provinces (autonomous regions), teams, scientific research departments, universities and institutions of brotherhood including coal, metallurgy and building materials attended the conference. The meeting mainly involved in exchanging experience in drilling and construction of complex rock formations. Twenty-nine copies of the experience-sharing materials were received and fourteen comrades made speeches at the conference. Henan three teams and 404 teams in Hunan introduced their experiences in comprehensive management of complex rock formations respectively. Guangdong 703 team, Guangxi Geological Drilling Team and Hubei Five Team introduced polypropylene