However, the disposal of drilling mud has remained a difficult problem in drilling method.

钻井法目前已广泛应用于矿山建设工程，但钻井泥浆的处理一直是钻井法难点问题之一。

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However, the disposal of drilling mud has remained a difficult problem in drilling method.

钻井法目前已广泛应用于矿山建设工程，但钻井泥浆的处理一直是钻井法难点问题之一。

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