“thumb nut”的概念、定义、翻译、参考文献-科学参考

单词	thumb nut
释义	thumb nut 翼形螺母蝶形螺母元宝螺母
随便看	night ops night order book night owl night pair night patrol night periscope night photograph night photography night plane guard night position night range night rate night raven night reconnaissance night reconnaissance airplane night refueling night repair night safe night scene night school night scout night scramble flight night search and attack night searchlight fire night-seeing TV

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。