“Group 1 element”的概念、定义、翻译、参考文献-科学参考

单词	Group 1 element
释义	Group 1 element Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 Group 1 element第1族元素
随便看	drilling string erosion drilling string trouble drilling technical economic index drilling technical parameters drilling technology 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

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。