Surface passivation by chromate for the hot dip galva-nized plate is applied to prevent the surface oxidation during the pro-cess time.是什么意思_Surface passivation by chromate for the hot dip galva-nized plate is applied to prevent the surface oxidation during the pro-cess time.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句