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液压或渗水性测量用于测量岩石不导水率的一种方法,单栓塞可用于密封整体炮孔，双栓塞用于密封炮孔的局部。此法可用于测定两个或多个炮孔之间的物理连接通道。该法有益于量化爆破引起的岩石破坏,参见 water loss
expl. hydraulic or permeability measurement

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