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嘉陵江梯级渠化航道
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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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Modern Heritage Programme
modern history of aviation in China
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modern indium and germanium industry in China
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modern international law
modern iron and steel industry in China
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modernist art criticism
Modernist furniture
Modernist literature of Iran
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Modernity and the Holocaust
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modernization of construction industry
modernization of industry
modernization of industry,agriculture,national defense and science and technology
modernization of state governance
Modernization of State Governance System and Governance Capacity
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