The energy structure of our country are analyzed,the state of the coal chemical engineering technology and the necessity of developing the new technology of coal chemical engineering are discoursed.是什么意思_The energy structure of our country are analyzed,the state of the coal chemical engineering technology and the necessity of developing the new technology of coal chemical engineering are discoursed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句