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煤矿矿井水深度处理反渗透工艺技术要求
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进出口煤炭机械化采样制样方法
Mechanical method for sampling and sample preparation of coal for import and export
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煤矿床水文地质勘查工程质量标准
Quality standard of hydrogeological exploration projects for coal deposits
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煤基腐植酸技术条件
Specifications of coal-based humic acid
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粉状活性炭湿法粒度分布的测定方法
Determination of the particle-size distribution of powdered activated carbon by wet method
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颗粒活性炭半脱氯值的测定方法
Determination of Dechlorination Half-Value length of granular activated carbon
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煤层气集输安全规程
Safety regulation for coalbed methane gathering & transportation
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煤层气地面开采防火防爆安全规程
Safety regulation for fire & explosion prevention of coalbed methane surface exploitation
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