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长期以来，喷水钻孔法计算涌水量公式被不少人误认为是经验公式。本文应用水力学原理，对公式作了具体推导，证明是理论公式。
For a long time, the method of calculating water inflow by the water jet drilling method has been mistaken for many people as an empirical formula. In this paper, the principle of hydraulics, the formula made a specific derivation, proved to be the theoretical formula.