Using energy recovery technologies, steam economies of up 25% to 30% (mass.of vapor produced per mass.of steam used) can be attained.是什么意思_Using energy recovery technologies, steam economies of up 25% to 30% (mass.of vapor produced per mass.of steam used) can be attained.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句