单词	不变带
释义	不变带unaltered zone
随便看	crude oil carrier; crude oil tanker crude oil cleaning system crude oil (= crude petroleum) crude oil engine crude oil mixed base crude oil naphthene base crude oil naphthenic crude oil paraffin base crude oil paraffinic crude oil pollution crude oil pretreated crude oil tanker crude oil washing crude oil washing {= cow} crude oil washing {cow} crude oil washing{cow} crude oil washing system crude ore crude or not cooked, crude or raw opium crude or unfinished state, crude persimmon tannin crude petroleum crude--petroleum crude potasium carbonate