“drop manhole”概念、定义、翻译-科学时代

单词	drop manhole
释义	市政工程词汇手册 drop manhole 跌水井
随便看	niche niche niche niche bank niche breadth niche burial niche burial niche complementarity niche differentiation niche dominance niche for statue of Buddha niche market niche market niche market niche market niche market niche market niche marketing niche marketing niche marketing strategy niche market strategy niche-market strategy niche media niche overlap niche penetration strategy

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。

drop manhole