roof fall meaning in Chinese
顶板崩落
塌顶
Examples
- The roof fell down .
房顶崩坍了。 - Foam cement applied to treat larger roof falling space
应用泡沫水泥治理特大顶板垮落空硐 - Speediness construction technique in mud - rock roof fall district
泥石流冒顶区快速施工技术 - Roof fall mechanism analysis and preventive methods of compound roof
复合型顶板冒顶机理分析及预防措施 - 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