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煤矿对井下水害位置的预测和观测尤为重要,高密度电法对矿井井下积水、岩溶、陷落等有较好的探知作用,瞬变电磁法在井下能够较为准确的圈定水害存在区域。
Coal mine is particularly important for the prediction and observation of underground water damage location. High-density electric method has better detection effect on mine water, karst and slump, and the transient electromagnetic method can accurately delineate the area where water damage exists.