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一、前言关于釜石矿的炸药和爆破问题,曾在1978年第29届现场负责人会议上,做了题为“提高铵油炸药使用比率和浆状炸药的采用”的报告,本文将介绍其后的改进措施及取得的成果。下面仅就经受过两次闭矿考验后而复生的新釜石矿(1982年4月又开始开
I. Preface Regarding the explosives and blasting problems of Kamaishi Mine, a report titled “Enhancing the Utilization Rate of Ammonium Explosive and the Adoption of Pulp Explosives” was given at the 29th Session of the Site Manager in 1978. This article will introduce its After the improvement measures and the results achieved. Here are just the new kiln quarries that have resurfaced after two closed-pit tests (again in April 1982