例句 /

Abstract: Based on surface geochemical survey and integrated researches on coal bed gas in Dacheng area,the authors have outlined the coal bed gas field,established the model for geochemical anomaly of coal bed gas and revealed the affecting factors.In ad

Abstract: Based on surface geochemical survey and integrated researches on coal bed gas in Dacheng area,the authors have outlined the coal bed gas field,established the model for geochemical anomaly of coal bed gas and revealed the affecting factors.In ad

文摘:通过大城地区煤层气地面化探工程和综合研究,确定煤层气田的分布范围,建立煤层气化探异常模式,了解其影响因素,为地表化探的应用指出新领域。