最近,海军某部和冶金部科技办共同主持召开会议,对坞口炸礁水平深孔控制爆破作了技术鉴定。会议代表听取了海军某部关于“坞口水平深孔大量控制爆破施工、起爆及效果”和冶金部长沙矿冶研究所关于“坞口炸礁控制爆破降震 Recently, a unit of the Navy and the Science and Technology Office of the Ministry of Metallurgy jointly presided over a meeting to make technical appraisals on horizontal deep-hole controlled blasting of a wreck at the junction. The delegates listened to a report by the Navy on the “Controlled Blasting, Detonation and Effect of Large Depth Deep-hole in a Dock” and the "Institute of Mining and Metallurgy,