Crudenn.克鲁登
crudeadj.天然的;未加工的;粗鲁的;粗糙的;简陋的n.原油;天然的物质
crude forgery拙劣的伪造
crude storage原油库
crude pottery粗陶
crude ginseng红肉洋参
crude coal tar粗制煤焦油
crude oil pump原油泵
crude chlorine原氯
crude pearlite珍珠岩原矿
crude paraffin粗石蜡
crude analysis原油分析