“preliminary fractionation”的概念、定义、翻译、参考文献-科学参考

单词	preliminary fractionation
释义	preliminary fractionation 预先部位分离作用
随便看	working head working height working hole working horse working hours working-hours working hypothesis working index working input working instruction working interest (石油业的) working joint working-laser material working laser material working length working lever working life working light working limit working line working lining working load working loss working machine working (machining) efficiency

科学参考收录了1248194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。