请哪位高人把下面的话翻译成英语,职称论文用的? 1. the technological process before the hydrogen recovery unit is put in operation。 2. the technological process after the hydrogen recovery unit is put in operation and h/c ratio is optimized。 3. 这一句应该是指对比上述两种不同工况吧?comparision of the two operating cases under the two operational conditions as follows: before the hydrogen recovery unit is put in operation, and after the hydrogen recovery unit is put in operation(h/c ratio is optimized).查看更多