The effects of temperature and residence time on tar cracking in the freeboard of a fluidized bed have been investigated in order to reduce the tar produced in the pyrolysis process of coal.是什么意思_The effects of temperature and residence time on tar cracking in the freeboard of a fluidized bed have been investigated in order to reduce the tar produced in the pyrolysis process of coal.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句