The inflow rates of many mines in the karst region of our country not only variate with the changes of mine depth,gallery length and other factors but also have close relationship with precipitation.

• 我国岩溶地区许多矿床的涌水量不仅随开拓深度（以下简称深度）与巷道长度（以下简称巷长）等因素的变化而变化，而且与降雨关系密切，并对降雨有明显滞后反映。