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                            内河航道里程

                            发布时间: 2020-04-27 09:02 来源:教育中心 【字体:

                            内河航道里程也称内河通航里程,指在一定时期内,能通航运输船舶及排筏的天然河流、湖泊水库、运河及通》航渠道的长度。包括全年季节性通航累计三个月以上的航道,不包括仅供零散流放竹、木排的河道。它是反映内河水运网规模、水平和发展情况的主要指标。