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- Keywords coal mine blasting;misfire;blasting equipment;blasting network; 煤矿拒爆;拒爆;爆破器材;爆破网路;
- Parker Formation coal mine blast mining method adopted, with 450 employees. 柏家沟煤矿采取爆破采煤法，拥有职工450人。
- Keywords magnadet;exploder;isolated blasting;coal mine blasting; 电磁雷管;发爆器;隔爆;煤矿爆破;
- Wednesday is a day of mourning across Russia for the victims of three disasters that killed at least 175 people -- a plane crash, a nursing home fire and the worst coal mine blast in 10 years. 星期三是俄罗斯全国哀悼日，悼念飞机失事、养老院失火和10年来最严重的矿难这三起灾难性事件中的遇难者．至少有175人在这三起事件中不幸遇难。
- Accident prevention for coal mine blasting 煤矿爆破事故的防治
- Keywords coal mine;bolting support;yow &line space; 煤巷;锚杆支护;间排距;
- Keywords coal mine;sidewall cracking;mechanism; 煤矿;井壁破坏;机理;
- Keywords coal mine;electric mtor;energy saving; 煤矿;电动机;节能;
- Keywords coal mine;?dustproof;?method; 煤矿;防尘;方法;
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Keywords coal mine;catalytic sensor;sulphuretted hydrogen;poison; 煤矿;催化元件;硫化氢;毒性;
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- Keywords Coal mine Succor technology Laneway penetration; 煤矿;救灾技术;地面透巷;
- Keywords coal mine;signal;telemetering;system;carrier wave; 煤矿;信号;遥测;系统;载波;
- Keywords coal mine;coal quality research;proximate analysis; 矿区;煤质研究;工业分析;
- Keywords Coal mine Safety supervision OSH legislation; 关键词煤矿;安全监察;安全立法;
- Keywords coal mine;ventilator;remote monitoring;intelligence; 煤矿;通风机;远程监控;智能;
- Keywords coal mining;roof managemenet;actuality; 关键词煤矿;顶板管理;现状;
- There was a terrible blast in the coal mines. 矿坑中发生了可怕的爆炸声。
- Keywords coal mine;longwall face;microseismic;strata fracture;monitoring; 煤矿;长壁工作面;微地震;岩层破裂;监测;
