请哪位高人帮我把下面的几句话翻译成英语?我要在职称论 ...? 1.process flow prior to the unit of hydrogen recovery has put used. 2.process flow after the unit of hydrogen recovery has put used and the ratio hydrogen to carbon has optimized. 3.running status of before the unit of hydrogen recovery has put used and after used and the ratio hydrogen to carbon has optimized. 偶只能翻译这个样子了,希望对你有用,不尽之处请高人帮忙。查看更多