base of crude oil

常見(jiàn)例句

Dalian is an important crude oil reserves and refining and chemical base of China and its crude oil demand is very big.
大連是國(guó)家重要的原油儲(chǔ)備以及鍊化基地，對(duì)進(jìn)口原油的需求量較大。
According to the composition of Category: paraffin-based crude oil, naphthenic oil and three types of intermediate base crude oil;
按組成分類：石蠟基原油、環(huán)烷基原油和中間基原油三類；
The process technique of lubricating base oil with sour crude abroad was described; the technical measures for solving some problems were also given.
介紹了國(guó)外用含硫原油生産潤(rùn)滑油基礎(chǔ)油的工藝和解決有關(guān)問(wèn)題的技術(shù)措施。