Then, the applicability of the model is proved by applying it to analyze two typical coal mine accident cases.
2
本文根据炸药的作功原理和炮眼封泥的作用，通过事故案例，论述炮眼封泥质量在煤矿安全生产中的重要性。
The importance of it in safety production of coal mine was discussed through accident case, according to theory of blasting powder and function of stemming.
3
通过处理沿沟煤矿23702工作面火灾事故案例分析．这句话如何翻…
Through processing along ditch coal mine 23702 working surface fire accident case analysis …Through processing the ditch edge coal 23702 working …
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