英语翻译

问题描述:

英语翻译
1、氢回收投用前流程2、氢回收投用后且氢碳比优化后流程3、氢回收投用前及投用后且氢碳比优化后运行情况

1、氢回收投用前流程"the process before hydrogen reclaim and being put into use"2、氢回收投用后且氢碳比优化后流程"the process before hydrogen carbon ratio optimization and after its reclaim and being p...