这段话应该怎么翻译？关于烷基化反应器？ filling of the ethylene treater should take place only after the alkylation reactor system is ready to receive ethylene feed; either upon completion of reactor filling or when the alkylation reactor system is already running with ethylene feed bypassing the treater (i.e., when the treater media is being replaced). the object is to avoid completing the ethylene fill step and then not being able to switch to ethylene feed flow to the alkylation reactor system. 这是整段内容，我的理解是 ethylene fill 要在alkylation reactor system 运行后才能进行，是为了防止completing the ethylene fill step 后， ethylene 不能进入alkylation reactor system ；从工艺上来看 feed flow 可以理解成 alkylation reactor system的ethylene进料管，也可以理解成经过 treater 后的ethylene；反正treater 出口是通向alkylation reactor system 。 查看更多
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