This alloy retards stress corrosion cracking and has improved resistance to sulfuric acid. alloy 20 finds wide use in all phases of chemical processing.是什么意思_This alloy retards stress corrosion cracking and has improved resistance to sulfuric acid. alloy 20 finds wide use in all phases of chemical processing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句