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我省现有通航河流10余条,航程1762公里,其中通机动船航道1222公里。省属航运企业共有船舶180艘,14956马力、190 093载重吨。在通航河流中,以赤水河、乌江等为主要河流。航道都系山区浅水急流、航道狭窄、弯曲、滩多、坡降大,一般滩险比降为2—8‰,局部比降达20—30‰,滩上一般流速为2—3米/秒,大的达
The province’s existing navigation river more than 10 articles, 1762 kilometers range, of which 1222 kilometers through the motor boat fairway. A total of 180 shipping vessels, 14,956 horsepower and 190,093 dwt, were owned by the provincial shipping enterprises. In the navigable rivers, Chishui River, Wujiang River as the main river. The waterways are all shallow shallow rapids in the mountainous area. The waterways are narrow, curved, flat and large with large slopes. Generally, the ratio of flood risks is 2-8 ‰, and the local ratio drops by 20-30 ‰. The general flow rate on the beach is 2-3 m / s Big up