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通风队气体分析记录表(2013.07)O2(％)(％)CO(ppm)CO(ppm)H2（ppm）（ppm）O2(％)(％)N2(％)(％)CO(ppm)CO(ppm)CHCH4(％)(％)C2H2(ppm)(ppm)C2H4(ppm)(ppm)C2H6(ppm)(ppm)COCO2(％)(％)合计（%）合计（%）112404回顺3#闭观测孔（1...
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