In recent years, microbiological contamination caused by food-borne diseases and potential health hazards has become the major public health problem of the world.

近年来，微生物污染所造成的食源性疾病和潜在的健康危害已成为世界各国主要的公共卫生问题。

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Education in hygienic handling of foods for abattoir workers and those involved in the production of raw meat is essential to keep microbiological contamination to a minimum.

向屠宰厂工人和参与生肉生产的人进行食品处理卫生教育对于将微生物污染降低到最低水平至关重要。

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The microbiological contamination has influenced severely the performance and operation of metal processing fluids. And it is harmful to workers' health when it contains water.

在含水型金属加工液中微生物的污染会严重影响加工液的性能和加工操作，并且危害工人的健康。

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