“primary excavation”的概念、定义、翻译、参考文献-科学参考

单词	primary excavation
释义	primary excavation [`prī´mer·ē ´eks·kǝ`vā·shǝn] ^ENGINEERING Digging performed in undisturbed soil.
随便看	azlactone azlon azo- azobenzene azo compound azo dyes Azoic azoic dye azoic printing azole Azomonas azomycin azon azonal soil azoospermia Azores high azotemia Azotobacter Azotobacteraceae azotometer azoturia azoxybenzene azoxy compound azulene azulite

科学参考收录了103327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。