The downstream of Tarim river was setting off for a long-term and its eco-environment has deteriorated, the dredge engineering must be carried out so as to improve the eco-environment.
塔里木河下游河道长期断流，生态环境恶化，必须实施河道疏浚工程，从根本上改善塔里木河下游的生态环境。
The downstream of Tarim river was setting off for a long-term and its eco-environment has deteriorated, the dredge engineering must be carried out so as to improve the eco-environment.
塔里木河下游河道长期断流，生态环境恶化，必须实施河道疏浚工程，从根本上改善塔里木河下游的生态环境。
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