Coalbed methane is an unconventional natural gas.Based on the geology model of desorption-diffusion-Darcy flow, coalbed methane reservoir simulation has its own characters.是什么意思_Coalbed methane is an unconventional natural gas.Based on the geology model of desorption-diffusion-Darcy flow, coalbed methane reservoir simulation has its own characters.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句