冒顶事故 meaning in Chinese

roof-fall accident

Application of luokexiu foam to handle the mass caving cavity
罗克休泡沫处理大冒顶事故技术的实践
Analysis and prevention of roof falling accident in combined caving working face
综放工作面冒顶事故分析及防治
An analysis of the cause for face roof fall accidents and preventive countermeasures
工作面冒顶事故的原因分析和防范对策
Analysis of bolting with wire mesh technology from roof fall of letting gas drift
从排放瓦斯巷道冒顶事故分析锚网支护工艺
Preventing of thrust roof fall in mining along dip direction in condition of composite roof
复合顶板仰斜开采推垮型冒顶事故防治

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