“原油分类”的概念、定义、翻译、参考文献-科学参考

单词	原油分类
释义	原油分类 Encyclopedia 工学原油评价释 classification of crude oils原油分类为了达到某个特定的应用目的，根据原油的某种性质将不同的原油进行区别。工学原油分类释 classification of crude oil原油分类根据原油的组成，对原油进行分类。
随便看	drilling theory drilling time drilling time curve drilling time logging drilling tool drilling tool bypass valve drilling tool weighting scale drilling workload index drillion drill pipe drillpipe drill pipe power tong drill pipe sticking drill plough drill rig drill rigs for soil mixing wall drill rod drill seeder drill stem test drill string drill string non-return valve drill-string stabilizer drill string test drill tools measuring drill-up

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。