“excavation work”的概念、定义、翻译、参考文献-科学参考

单词	excavation work
释义	excavation work Encyclopedia 工学化学品生产单位特殊作业释 excavation work动土作业挖土、打桩、钻探、坑探、地锚入土深度0.5米以上，使用推土机、压路机等施工机械进行填土或平整场地等可能对地下隐蔽设施产生影响的作业。
随便看	involute of evolute involute planetary reducer with small difference between the numbers of teeth involution involution algebra involutional system involution axioms involution condition involution curve involution form involution net involution of a composition algebra involution of a division ring involution of a group involution of an algebra involution of a ring involution of forms involution of lines involution of planes involution of points involution point involution principle involution representation involutive involutive algebra involutive automorphism

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。