roof fall的意思|示意
（隧洞等的）掉顶
roof fall相关短语
1、 crush roof fall 压垮型冒顶
2、 thrust roof fall 推垮型冒顶
3、 partial roof fall 局部冒顶
4、 tunnel roof fall 隧道坍顶
5、 roof fall rib spalling 冒顶片帮
6、 Warning roof fall 当心冒顶
7、 roof-fall accident 冒顶事故
8、 Roof Fall and Rib Spalling 冒顶片帮
9、 roof fall accident 冒顶事故
roof fall相关例句
The sound emission characteristics and the causes for incorrect prediction of the stope roof fall at Tonglushan Mine were analysed.
对铜绿山矿采场冒顶的声发射特征和预报不准的原因进行了分析。
My partner says no because the boiler could go, or the roof fall off, and we have no savings to save us.
我的另一半说不，因为锅炉可能会坏掉，屋顶可能会掉下来，而我们没有可用以自救的储蓄。
Defend is difficult since its stability is bad, often bring face roof fall, the roof management is very difficult.
由于其稳定性差、维护困难，经常造成工作面顶板冒落，给顶板管理带来了很大困难。