基本解釋[地球科學]原油的基類英漢例句雙語例句Dalian is an important crude oil reserves and refining and chemical base of China and its crude oil demand is very big.大連是國家重要的原油儲備以及煉化基地，對進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.介紹了國外用含硫原油生產(chǎn)潤滑油基礎油的工藝和解決有關問題的技術措施。base of crude oil更多例句專業(yè)釋義地球科學原油的基類