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六月下旬，部探矿司召集湖北、江西、四川、广西、浙江五个局和局的重点队来京汇报钻探工程质量问题。汇报会以提高南方薄煤层和硬脆碎矿层的岩矿心采取率为中心，交流推广了江西干东北队（煤）、湖北铜录山队（铜）、四川什坊队（磷）、广西441队提高矿心采取率和其他质量指标的技术措施和经验，也进一步研究了、四川杨家院、浙江龙游、江西城
In late June, the Ministry of Prospecting and Mines called a key team from Hubei Bureau, Jiangxi Province, Sichuan Province, Guangxi Province and Zhejiang Bureau and Bureau to come to Beijing to report the quality of the drilling project. The report will focus on improving the rock mining center’s take-up rate for thin and brittle crusts in the south of the country. The exchange will promote the promotion of coal production in the northeastern Jiangxi Province (coal), Hubei Tongluoshan (copper), Sichuan Shifang (phosphorus) 441 team to improve the rate of mining and other quality indicators of technical measures and experience, but also further study, Sichuan Yang House, Zhejiang Longyou, Jiangxi City