Rescuers have been frantically trying to reach the six miners who have been trapped since a cave - in on august sixth 救援人员竭尽全力寻找8月6号塌方事故以来被困在井下的6名矿工。
Many mines devote little attention to safety standards , resulting in frequent cave - ins , explosions , floods and fires 许多矿井对安全标准不重视，塌方、爆炸、透水和火灾频繁发生。
Design of roadway bolting support for quot; isolated island quot; sublevel caving - in long wall workface based on the ground stress measurements 基于地应力测试的孤岛综放工作面巷道锚杆支护设计
Clogged or cave - in of the hole , can lead to a stuck drill . it is best therefore , to cleans the hole regular intervals , by carrying out air - blowing with the rock drill 因为堵块和空穴都可能导致卡钻，因此应定期采用冲击器强吹，定期清洗孔底。
China ' s mines are considered among the most dangerous in the world . floods , fires , cave - ins , and other calamities killed nearly five - thousand miners last year 中国矿井被认为是世界上最危险的。透水、火灾、塌陷以及其他事故去年造成近5000人丧生。
Chinese coal mines are the world ' s deadliest . nearly five - thousand miners were killed last year as a result of floods , fires , cave - ins and other calamities 中国煤矿是世界上最危险的。去年一年有将近五千名矿工由于透水、火灾、塌方或是其它灾祸而遇难。
Efforts to reach six utah coal miners trapped more than 1500 feet underground will take at least three days , that ' s according to one of the mines owners , who says rescuers aren ' t sure the men survived in the cave - in 发生坍陷事件煤矿的一位矿主表示，拯救6名困于1500英尺下矿工的工作人员最少还需要三天时间才能到达矿工们被困之处，并且不能确定被困矿工能否生还。
It is clarified that the mining of underground water in non - concretion thick and low layer is the main factor of surface subsidence and compulsive drifting of underground water and special tectonic stratum are the main causes which result in cave - in damage 阐明了非固结厚浅层中地下水的开采是引起地表沉陷的主导因素，而地下水强排和特殊构造地层是诱发沉陷损害的主要原因。
The battle brought the most templar losses to date , and it was only halted when they managed to push back the demonic hordes and then set off last - ditch explosives that caved - in the southern section of the station 记载中，这是一声是夺去最多多圣堂武士的生命的战斗，而战斗的结束却是圣堂武们在击退恶魔部落兵的攻击之后，引爆最后一道防御壕沟内的炸弹炸塌车站南端还得以停止。
We need to accelerate economic restructuring and technological progress , especially for key industries and enterprises , transform the resource - based economies of certain cities , and solve the problem of sinking land and cave - ins above exhausted mines in coalmining areas 加快经济结构调整和技术进步，着力抓好重点行业、重点企业的调整改造，做好资源型城市经济转型和采煤沉陷区治理工作。
