So the quantitative analysis for gas accidenthazard will have a wide scope to develop.
因此瓦斯事故危险源定量分析将大有发展潜力。
2
In this paper, hazard theory is combined with coal mine gas accident and coal mine hazard is put forward, analyzing gas accidenthazard by the three class of hazard.
On the basis of studying on identification, classification, gradation of gas accidenthazard, the structure of coal mine gas accident is analyzed by means of typical accident.