求翻译：专题部分题目为吉宁煤矿2#煤层瓦斯的参数测定与研究，主要介绍了测定人员在现场取样，通过实验室测定，测定其几个基本参数，包括煤体坚固系数f,瓦斯放散初速度⊿p，煤的孔隙率真密度及视密度、煤样的工业分析是什么意思？

The parameters of the thematic part of the topic the Geneen coal seam gas determination and research, introduces the determination in the field sampling and laboratory determination, the determination of several of its basic parameters, including the robust coefficient f of coal, the initial velocit

Special Section on Jennings for coal seam gas 2 # The parameters measured, with research on the major personnel in the field Measured by sampling, measurement Lab, several of its basic parameters, including economic integration, a rugged factor F gas in thermal velocities P, Hu Jintao and the true d

The special partial topics for Geneen the coal mine 2# coal bed gas parameter determination and the research, mainly introduced determines the personnel in the scene sample, through the laboratory determination, determines its several basic parameters, including coal body firm coefficient f, the gas

Thematic section entitled Geneen parameter determination and study of 2# coal seam gas in coal mines, mainly introduces the sampling for the determination of personnel in the field, through the laboratory determination, determination of the basic parameters, including coal firm factor f, gas diffusi

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