关于Rundown在句中的翻译(加氢裂化)? 1)set the unit in closed loop short circulation at turndown capacity by using the recirculation start-up line from the rundown circuit to the feed surge drum. 2)ensure that h2s will not slip to the fractionator and into the rundown products. 配合流程图更容易理解吧。 1、既然是回路,理解是:溢流回路至原料缓冲罐。 2、下游产品吧?查看更多