The inefficient boiler water pretreatment caused presence of plenty of O_2 and HCO~-_3 in the steam/water cycles. When temperature dropped,O_2 and CO_2 dissolved into the water film on the surface,resulting in acid corrosion and oxygen corrosion.是什么意思_The inefficient boiler water pretreatment caused presence of plenty of O_2 and HCO~-_3 in the steam/water cycles. When temperature dropped,O_2 and CO_2 dissolved into the water film on the surface,resulting in acid corrosion and oxygen corrosion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句