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audio-frequency electrical transillumination
释义
audio-frequency electrical transillumination
Encyclopedia
理学
音频电透视法
释
audio-frequency electrical transillumination
音频电透视法
一种通过在矿井巷道或钻孔中供入音频电流,在另一巷道或钻孔中观测电场的分布来确定矿井之间工作面顶、底板内的含水、导水构造和岩溶裂隙发育带等水文地质条件的探测的方法。
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