“预真空泵”概念、定义、翻译-科学时代

单词	预真空泵
释义	核科学技术词汇手册预真空泵 fore　pump；forvacuum pump；prevacuum pump
随便看	ecology ecology ecology ecology ecology ecology ecology ecology garden ecology law ecology of education ecology of language ecology of language ecology of public administration ecology photography ecomaterial e-commerce e-commerce E-commerce e-commerce e-commerce e-commerce e-commerce ecommerce e-commerce application suite e-commerce chain provider

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。