The article introduces the millisecond delay blasting in ZiMuDang Gold Mine 66 t linear charge blasting, and describes the relative safe questions.

• 本文就紫木凼矿山66t级条形药包硐室爆破介绍了条形药包采用间隔堵塞方法实现同条内微差爆破，对爆破安全作了相关阐述。