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列举了长湖申线航运的巨大社会效益和经济效益，并通过分析提出长湖中线久盛不衰的奥秘．即：腹地资源丰富，沿河建厂，积极整治航道并形成水运网。
Cited the huge social benefits and economic benefits of long-line Shenzhou shipping line, and proposed the mystery of long-term growth of the Middle Lake in Changhu through analysis. Namely: the hinterland is rich in resources, building factories along the river, and actively rectify the waterway and the formation of water transport network.