请输入您要查询的字词:
单词
嘉陵江梯级渠化航道
释义
嘉陵江梯级渠化航道
Encyclopedia
工学
河道渠化
释
Canalized Channel of Jialing River
嘉陵江梯级渠化航道
嘉陵江四川广元至重庆朝天门段经梯级渠化整治后形成的高等级航道。渠化后,航道等级从等外至Ⅳ级提高到Ⅳ至Ⅲ级标准,航道里程从739千米缩短至682.8千米。
随便看
Emperor Xiaozhao of Northern Qi
Emperor Xiaozong of Southern Song Dynasty
Emperor Xizong of Jin Dynasty
Emperor Xizong of Ming Dynasty
Emperor Xizong of Tang Dynasty
Emperor Xuandi of Chen Dynasty
Emperor Xuandi of Han Dynasty
Emperor Xuandi of Northern Qi Dynasty
Emperor Xuan in Northern Zhou
Emperor XuanWu of Northern Wei Dynasty
Emperor Xuanzong and His Concubines
Emperor Xuanzong at Leisure
Emperor Xuanzong of Ming Dynasty
Emperor Xuanzong of Qing Dynasty
Emperor Xuanzong of Tang Dynasty
Emperor Yan
Emperor Yangdi of Sui Dynasty
Emperor Yan Mausoleum
Emperor Yingzong of Song Dynasty
Emperor Yizong of Tang Dynasty
Emperor Yizong of Western Xia Dynasty
Emperor Yuandi of Liang Dynasty
Emperor Yuandi of Wei Dynasty
Emperor Yuan of Han Dynasty
Emperor Yuan of Jin Dynasty
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:2026/8/24 8:13:49