请输入您要查询的字词:
单词
Culverts in ancient China
释义
Culverts in ancient China
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
Ecole du Patrimoine Africain–EPA
Ecole Nationale Supérieure des Arts et Industries Textiles
E.coli infection
E.coli infection in neonatal meningitis
Ecolingusitics
eco-literature
eco-livable city
ecological adaptation
ecological aesthetics
ecological agricultural techniques
ecological amplitude
ecological and environmental effects of irrigation and drainage
ecological and environmental monitoring information release system
ecological and environmental risk assessment
ecological and environment mineral material
ecological anthropology
ecological appraisal system
ecological aquaculture
ecological aquaculture types
Ecological Art Education
ecological assessment
ecological assets
ecological auditing
ecological-based forest harvesting
ecological benefits of soil and water conservation
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/11/15 22:02:24