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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
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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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