Finally hydromining method, an inareawere found through comparison between various mining methods.通过多种采煤方法的试验 、 比较后,找到了一种对复杂煤层适应性较强的采煤方法——水力采煤方法.Borehole hydromining is a kind of safe and efficient new mining method.钻孔水力...

n.水力采矿，水力开采法...

hydromining的音标：hydromining的英式发音音标为：[haɪdrə'maɪnɪŋ]hydromining的美式发音音标为：[haɪdrə'maɪnɪŋ]...