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  • 软件语言:简体中文 
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  • 软件地址: CA1317872    迅雷高速下载     
A method of producing coalbed methane by injecting inert gas, such as nitrogen, through an injection well into the coal seam and recovering coalbed methane from a production well(s). Methane desorption from coal is achieved by reduction in methane partial pressure rather than by reduction in total pressure alone. 89174ART0188