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从澳大利亚进口的湿牛皮中,经卫生监督发现大量蝇类,通过鉴定为斑腹蝇科的一种,并及时实施了卫生处理,从而有效地防止外来蝇类传入。
In wet cowhide imported from Australia, a large number of flies have been found by the health authorities to be identified as a species of the genus Spotted Muscidae and hygienic treatments have been implemented in a timely manner to effectively prevent the introduction of alien flies.