冒落 meaning in Chinese

inbreak

Inquiring into strong roof control in luling mine
芦岭矿坚硬难冒落顶板管理探讨
Application of type steel girder in broken easy caving roof
型钢梁在破碎易冒落顶板中的应用
Investigation on energy determination for cave - in type mining tremor
冒落型矿震能量确定探讨
Injecting coal ash slurry to treat caved hole and karst in roadway
粉煤灰注浆处理巷道冒落洞和溶洞
Grouting treatment technique for caving - liable roadway in advance range
超高范围冒落巷道注浆处理技术

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