“　　　　古代涵管”的概念、定义、翻译、参考文献-科学参考

单词	古代涵管
释义	古代涵管 Encyclopedia 理学　　　　古代涵管释 Culverts in ancient China　　　　古代涵管古代又称瓦窦、涵洞，修在塘堰或渠道的堤岸中，用于向农田放水；建于大江大河、湖泊的堤岸中，用于泄水、淤灌等；或建于古城城墙中，用于城市供排水。涵洞可为开敞式，也可设闸门节制。
随便看	water culture water curtain water curtain for fire compartment water curtain system water cut water cycle water cycle change water delivery equipment water demand water demand management water demand of social and economic development water denitrifiers water depth of lake water diffusion due to kidney deficiency water discharge metering water disinfection water dispatch contingency plan water dispersible granules water displacing corrosion preventive compound water dispute water disputes water distribution outlet water diuresis water diversion water diversion for noshing sand

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。