1)  flap top
悬顶
1.
In stope using pillarless sublevel caving method,there is often flap top occurrence.
针对无底柱分段崩落法采场崩落时经常出现的悬顶现象进行分析,介绍了几种新型处理方法。
2)  hanging arch system
悬顶系统
1.
Study on energy store and release of mining field large area hanging arch system;
采场大面积悬顶系统贮能及释放研究
3)  suspend-top
爆破悬顶
4)  large unsupported roof
大面积悬顶
1.
Roof control technology for large unsupported roof at face end of coal mining face;
综采工作面端头大面积悬顶控顶技术
5)  suspension deck LNG tank
悬顶式液化天然气贮槽
补充资料:白悬悬
1.形容白而长。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。