“立行管沟--通行管沟”概念、定义、翻译-科学时代

单词	立行管沟--通行管沟
释义	市政工程词汇手册 walkway duct 通行管沟，立行管沟
随便看	budget report budget request budget requirement budget resolution budget resolution budget resolution budget resolution budget restraint budget revenue budget set budget standard classification budget statement budget structure budget summary budget surplus budget surplus budget surplus budget surplus budget surplus budget tourism budget travelling budget variance budget variance budget white paper budget with deficit

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。

walkway duct