大孔球形药包爆破采矿法(VCR法),自加拿大国际金属公司于1975年在列瓦克镍矿首次用于回采矿柱获得成功后,经十余年的推广试用,现已相继在美国、加拿大、澳大利亚、西班牙、南非、赞比亚、智利、瑞典等国的一些地下矿山成功地应用于矿房和矿柱回采.我国凡口铅锌矿试用此法也取得了显著的技术经济效益, Large-hole spherical packet blasting mining method (VCR method), since the Canadian International Metal Company in 1975 Levaker nickel mine for the first time after the success of mining pillars, after more than 10 years of promotion trial, have been in the United States , Some underground mines in Canada, Australia, Spain, South Africa, Zambia, Chile, Sweden and other countries have been successfully applied to the mining houses and pillared pillar mining .This method has also achieved significant technical and economic benefits for the trial of this method,