A.對甘醇管線排放 B.對閃蒸罐排 C.導(dǎo)通流程對裝置進(jìn)行泄壓 D.做好再次啟機(jī)準(zhǔn)備
A.5s B.7s C.8s D.10s
A.界區(qū)進(jìn)出口閥 B.進(jìn)出口連通閥 C.分離器放空閥 D.洗滌器放空閥