A.放置油品凝固B.提高油品閃點(diǎn)C.降低油品在輸送時(shí)的水力摩擦D.使油品脫水和沉降雜質(zhì)
A.油罐的容積B.油罐的設(shè)計(jì)壓力C.油罐的收發(fā)油速度D.油罐形狀
A.發(fā)油流程不通B.電液閥不能打開(kāi)C.流量計(jì)接線錯(cuò)誤D.發(fā)油參數(shù)錯(cuò)誤