“冒落”的拼音

顶板冒落 、 巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题.Roof falling, floor heave of roadway and pillar failure are important rock mechanical problems in mining.工程实例表明注浆是一种通过冒落区的有效办法.The engineering cases show that grouting is an effective way ...

“冒落”的英语可以翻译为：inbreak ...