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宽孔距爆破传统的台阶爆破，其炮孔间距 S 和最小抵抗线 W 的关系为 S = 〈1.0wide1.4〉W。而在瑞典普遍提倡一种爆破法,其孔距加大到最小抵抗线的4 wide8倍称为宽孔距爆破。但其孔距究竟取多大为好，尚在进一步研究中
expl. wide space blasting; wide--spacing blasting
宽孔 距爆破
: 2 phrases in 1 subject
Explosives and Explosive Ordnance Disposal2

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