Dongying North part deep sand Shasi low Subsegmental of gas condensate methane and ethane are lighter isotopes shows that Cracking gas oil characteristics, rather than kerogen pyrolysis gas.是什么意思_Dongying North part deep sand Shasi low Subsegmental of gas condensate methane and ethane are lighter isotopes shows that Cracking gas oil characteristics, rather than kerogen pyrolysis gas.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句