1·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。
2·Roof fall in mines is one of the severe disasters in mining operation.
矿山冒顶是矿山生产过程中严重灾害之一。
3·No rules is no game. 14: We must try to prevent the roof fall down I wanted to know what it meant to be a star.
没有规则就没有游戏。十四：我们必需设法避免房顶塌上去我曾想知道当一个明星意味着什么。
4·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。
5·Defend is difficult since its stability is bad. It often brings face to 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。
6·The II3123 face is a light type caving face of three-soft coal seam. the roof is cracked, sloughing and roof fall often occur.
前言： 石台煤矿II3123工作面为“三软”煤层轻放工作面，顶板破碎易掉，片帮、冒顶时常发生。
7·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。
8·The compound roof fall accident of the individual hydraulic prop face is analyzed. The accident mechanization and prevention method are pointed.
对单体支柱工作面复合型顶板推垮型事故进行了分析，提出了事故发生的机理和预防办法。
9·Analysing the roof-fall cause of end face and support system, an effective way to reduce roof fall sensitivity and improving production efficiency are pointed out.
通过对工作面端面冒顶原因及支护系统的分析得出，加大液压支架的流量可以加快移架速度，降低冒顶事故率，提高生产效率。
10·Roof fall accident is one kind of dangerous accidents happened at underground mines and underground pressure management is the main task of mining safety management.
冒顶片帮事故是地下矿山危害最为严重的事故，矿山地压管理是地下开采矿山安全管理的重要任务。