Study on Optical Characteristic of Gas Explosion in Induction Periods;
矿井瓦斯爆炸感应期内光学特征研究
There were seventy men in the mine when it blew up.
矿井爆炸时，井里有70 个矿工。
Explosions, though infrequent, are an occupational hazard for coal-miners.
矿井爆炸虽然不常发生, 但却是煤矿工人职业中的危险.
Seventy-two miners have been found alive.
爆炸发生后，井下矿工有72人得以生还。
The roof of the mine caved in as a result of the explosion.
由于发生爆炸，矿井顶部坍塌了。
Study on Optical Characteristic of Gas Explosion in Induction Periods;
矿井瓦斯爆炸感应期内光学特征研究
Thirty miners are still trapped in the mine following yesterday's explosion.
自昨天爆炸之后，30名煤矿工人被困在矿井内。
well-coupled dynamite shot
与炮井耦合的炸药爆炸
Study on Spontaneous Combustion and Explosion Characteristic and Prevention and Control Technology with High-gas and Easily-spontaneous Combustion Coal Seam in Stope;
双高矿井采场自燃与爆炸特性及防治技术研究
An Intelligent Real-time Early Warning and Monitoring System for the Gas Explosion of Mine Heading;
矿井掘进瓦斯爆炸实时智能预警监控系统
Study on Orientation Evaluation for Gas Explosion in Mine Workplace;
矿井作业场所瓦斯爆炸倾向性评价的研究
Overpressure Prediction of Mine Gas Explosions
关于矿井瓦斯爆炸超压规律的预测和分析
Cause of Gas Explosion and Control Measures in Low-Gas Coal Mine
低瓦斯矿井瓦斯爆炸事故的原因及控制措施
Analysis on mine coal dust explosion danger degree base on normal fuzzy function
基于正态模糊数的矿井煤尘爆炸危险度分析
Experimental Research on the Method of Ascertaining the Induction Period of Gas Explosion in Mine
矿井瓦斯爆炸感应期确定方法的实验研究
Study on the Damaging Characteristics of High-speed Air Flow Produced by Gas Explosion in Coal Mines
矿井瓦斯爆炸高速气流的破坏和伤害特性研究
The explosion in the mine was triggered off by a careless miner who lit a match looking for his gas light.
矿井的爆炸是一个大意的矿工点着火柴寻找煤气灯而引发的。
Key Technology of Dust Explosion Prevention and Treatment of High Sulfur Metal Mine and its Engineering Applications
高硫金属矿井矿尘爆炸防治关键技术及工程应用
The Study on Gas Explosion Wave Propagation Law and Affected Factors in Mine;
矿井瓦斯爆炸冲击波传播规律及影响因素的研究