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由豪阿特(W.James Howarth)博士和亨利(Keith J.Henley)博士组成的澳大利亚矿物发展实验室代表团,应邀来我国访问。代表团参观了杨家杖子和红透山铜矿等大型矿山,提出了一些技术发展与合作的建议。
A delegation from the Australian Mineral Development Laboratory, composed of Dr. W. James Howarth and Dr. Keith J. Henley, was invited to visit our country. The delegation visited large-scale mines such as Yangjiazhangzi and Hongtoushan Copper Mine and put forward some suggestions on technological development and cooperation.