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联合国自然资源、能源和运输中心技术顾问、金刚石钻探和水井钻探工程师杰拉尔德·诺因应邀来我国进行专业咨询服务。诺因在华期间参观了北京、辽宁、河北等省、市地质局所属地质队的七个钻探现场和天津探矿厂、北京钻探工具厂，并在北京、大连等地参加了四次专业技术座谈会。在参观过程中，诺因就绳索取心、钻杆螺纹加工、金刚石钻头的合理使用以及岩心采取等问题发表了意见。技术座谈时，诺因着重向我方介绍了绳索取
Gerald Noene, technical consultant for the Natural Resources, Energy and Transportation Center of the United Nations, diamond drilling and well drilling engineer, was invited to come to China for professional consulting services. During his stay in China, Connor visited seven drilling sites of geological teams affiliated to provinces such as Beijing, Liaoning and Hebei, as well as Tianjin Prospecting Factory and Beijing Drilling Tools Factory. He also attended four professional technical seminars in Beijing and Dalian meeting. During the visit, Nohin commented on cord coring, drill pipe threading, the rational use of diamond bits, and core collection. During the technical discussion, Connaught introduced the ropes to us