the city river management
城市河道治理工程施工防汛问题探讨_工程论文 关键词：城市河道治理；防汛；防汛保障体系 [gap=528]Key words: the city river management; Flood control; Flood control system
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the city river management
城市河流管理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective To study the mosquito larvae management strategy in Shanghai City stream river and the effect, long-lasting activity of abate granules against mosquito larvae.
目的探讨城镇市河流动水中蚊幼的防制对策，观察双硫磷颗粒剂的灭蚊效果和持效期。
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