Reboiler of fractionating column is an important type of heat exchangers in the refinery industry, chemical industry, light industry and so on.是什么意思_Reboiler of fractionating column is an important type of heat exchangers in the refinery industry, chemical industry, light industry and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句