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河南省岩石力学与工程学会第五次岩石力学在工程中的应用学术交流会于1991年4月17—20日在河南省洛阳市举行。来自全省煤炭、石油、水利水电、铁道、军工、地质、冶金、科研、高等院校等系统共60余人参加了会议。大会开幕式由铁道部隧道工程局王梦恕副总工程师主持,理事长袁澄文高级工程师致开幕词。铁道部隧道工程局、洛阳市科委、科协、华北水电学院等单位领导以及全国学会的代表对这次会议的召开发表了热情洋溢的讲话。
Henan Province, the Fifth Rock Mechanics and Engineering Society of Rock Mechanics in Engineering Symposium on April 17-20, 1991 held in Luoyang City, Henan Province. More than 60 people from the province's coal, oil, water conservancy and hydropower, railway, military, geology, metallurgy, scientific research, universities and other systems attended the meeting. Opening ceremony by the Ministry of Railways Tunnel Engineering Wang Mengshu, deputy chief engineer, chairman Yuan Chengwen senior engineer delivered an opening speech. Ministry of Railways Tunnel Engineering Bureau, Luoyang Science and Technology Commission, CAST, North China Institute of Hydropower and other units as well as representatives of the National Association of the convening of the meeting delivered a warm speech.