“底土--心土--地基土”概念、定义、翻译-科学时代

单词	底土--心土--地基土
释义	市政工程词汇手册 subsoil 地基土，底土，心土
随便看	informal group informal interview informal leader informal leadership informal meeting informal organization informal organization informal organization informal organization informal organization informal organization structure informal ownership informal performance appraisal informal record informal relation informal relationship informal research informal sanction informal sector informal sector informal social control informal speech informal style informal style informal teaching

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。

subsoil