高分悬赏——帮忙翻译? 我也来试试 the essay introduces in detail the implementation process of dcs system for the psa hydrogen plant in china's first coal-based sng plant. the implementation was accomplished independently, with the inherent characteristics of sng plant taken into account, turning the batch-wise adsorption process into a continuous one with constant output pressure by incorporating 6 adsorption column. 最后一句与原句有出入,是我加入了自己的猜测,即吸附过程本是间歇的,但通过6塔切换实现了连续供气,不知是否正确。查看更多