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除四害是城市爱国卫生运动的主要任务之一,也是全国卫生城市评比的必备条件。其主要任务是采取科学有效的方法将“四害”控制在不足危害的水平,保障人民的身体健康,
In addition to the four victims of the city patriotic health campaign is one of the main tasks, but also the national health city competitions and prerequisites. Its main task is to adopt a scientific and effective method to control the “four pests” at a level less than danger and ensure people’s health,