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炮孔密集系数
expl.
burden-to-spacing ratio
炮孔密集系数
钻孔间距与钻孔最小抵抗线之比,决定着炸药在岩体中的分布效率。由于炮孔的起爆顺序不同,爆破时炮孔密集系数可能变化很大,参见 spacing [burden] ratio at drilling
expl.
concentration coefficient of hole
炮孔密集系数
:
3 phrases
in 1 subject
Explosives and Explosive Ordnance Disposal
3
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