介绍了西山煤电集团公司马兰矿进行了这方面的改进，效果显著。
Introduces that Malan coal mine of Xishan coal electricity group company has made the improvement, the effect is remarkable.
从多方面总结了西山煤电股份公司马兰矿打造本质安全型矿井的经验。
This paper sums up the experiments of Malan coal mine, Xishan Coal-electricity Stock Company, in building the intrinsically safe type coal mine.
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