英语词汇crude oil upgrading是什么意思，crude oil upgrading的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	crude oil upgrading
释义	crude oil upgrading　【化】原油预处理
随便看	tax payment tax payment by substitute tax payment date tax payment in kind tax payment place tax payment receipt tax penalty tax penalty tax per head on slaughtered ainmals tax planning tax policy tax policy tax preference tax preference items tax preferences tax price tax privilege tax proceeds tax program tax pyramiding tax rate tax rate tax rate tax rate limit tax rate schedule

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。