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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。
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regional phase
regional physical geography
regional planning
Regional Planning Association of America
regional planning of ecological construction and environmental protection
regional planning of the Zhujiang River Delta
regional planning of water conservancy in ancient China
regional planning system Engineering
regional planning theory
Regional Plan of New York
regional policy
regional policy evaluation
regional population flow
regional prevention and control
regional price differences of agricultural products
regional primary standards of national defense
regional private international law
Regional production complex of natural gas industry in Arziw and Hassil Lemel
Regional production complex of natural gas industry in Brega
Regional production complex of oil and gas industry in Skikda、Hassi Messaoud and Hassil Lemel
Regional production complex of Petrochemical in Laslanuf
regional protectionism
regional recreational sports
regional resources carrying capacity
regional resources comprehensive development zone
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