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论述清代统治北京268年间,水路交通运输以通州港为门户,以大通河为疏运通道的修治、变迁、兴衰。
Discussion of the rule of the Qing Dynasty in Beijing 268 years, the waterway transport to Tongzhou port as the gateway to the Dartong River as the channel for the repair, change, rise and fall.