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苍蝇可机械性携带多种微生物,有传播疾病的作用,根据“全国除四害、农村环境卫生科研规划”蝇类防制的要求,为了解家
Flies can mechanically carry a variety of microorganisms, the role of the spread of the disease, according to the “National Institute of Environmental Health Research Program” fly control requirements, to understand the family