There is some instructional signification to soft rock tunnel project and practice of coal mine.
对煤矿软岩巷道工程实践有着一定的指导意义。
The coal layout is high gas, soft and flammability.
煤层为高瓦斯、松软、易燃厚煤层。
Coal mine soft-rock tunnel is a important constituent of soft rock engineering.
煤矿软岩巷道工程是软岩工程的一个重要组成部分。
The research of soft measuring technology for pulverized coal concentration in power plant;
对国内外高浓度煤粉燃烧技术的原理与进展进行了阐述。
The research of soft measuring technology for pulverized coal concentration in power plant;
对国内外高浓度煤粉燃烧技术的原理与进展进行了阐述。
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