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鐵嶺河流域多年未實施清淤,致使河道萎縮嚴重,行洪能力逐步降低,通過河道整治可以明顯提高鐵嶺河左岸堤防工程的防洪標準,增加防洪的保護能力,具有可觀的經濟效益、社會效益及環境效益。
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Party branch Se cretary of a party le cture of two speeches: tutori ng covers all of the new party Constit ution two e ducation has ki cked off. Study of the Constituti on of this pra ctice i s a very importa nt part. T oday I'll giv e you a new section of the Constituti on on the counselling of learni ng lessons, hope, t hroug h today 's tut orial, further consolidati on of all the party member s