宽孔距小抵抗线微差挤压爆破
Wide-space small burden millisecond Compression blasting
小孔孔径
the aperture of the small hole wafer
小小破口冷却剂丧失事故
very small break loss of coolant accident
长孔爆破
blasting with long bore hole
longhole demolish
long hole
大直径深孔爆破
large diameter deep hole blasting
地下采矿深孔爆破
long holeundergound blasting
洞室加钻孔爆破
chamber blasting plus drilling
井下深孔爆破
Underground Deep-hole Blasting
立井深孔爆破
Deep Blasting in Rock Shaft