Based on the "Security Rules for Coal Mine", the ventilation resistance and main ventilator behavior in Xing-long Mine is measured.
前言：根据《煤矿安全规程》规定，对兴隆煤矿进行了通风阻力测定和主通风机装置性能测试。
Based on the "Security Rules for Coal Mine", the ventilation resistance and main ventilator behavior in Xing-long Mine is measured.
前言：根据《煤矿安全规程》规定，对兴隆煤矿进行了通风阻力测定和主通风机装置性能测试。
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