Corrosion during the furnace running and manmade damage during the furnace heating up and maintenances are the main dangerous factors for the glass furnace crown.是什么意思_Corrosion during the furnace running and manmade damage during the furnace heating up and maintenances are the main dangerous factors for the glass furnace crown.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句