It features a vertical structure with small flooring area to help flow and air discharge of heat transfer oil in the boiler tube and heat transfer oil cannot easily be coked.是什么意思_It features a vertical structure with small flooring area to help flow and air discharge of heat transfer oil in the boiler tube and heat transfer oil cannot easily be coked.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句