“背面排水”概念、定义、翻译-科学时代

单词	背面排水
释义	水利水电词汇手册 back drain 背面排水
随便看	elevation elevation elevation elevation elevation elevation elevation elevation elevation elevation elevation angle elevation angle elevation angle elevation correction elevation datum elevation (EL) elevation--elevation (EL) elevation head elevation head elevation instrument elevation map elevation of a building elevation of boiling point elevation of gauge zero elevation of indoor grade

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。

back drain