The technology of HACCP is a preventive system to provide the safety and health of the food.
HACCP控制技术是保证食品安全卫生的预防性体系。
Health service need of low birth weight infants is high. The preventive system should be built for low birth weight infants.
低出生体重儿的卫生服务需求量高，应建立针对低出生体重儿的预防保健体系。
They are materials used in training lay people in Salesian principles, Preventive System and Assistance.
这些有关于慈幼会宗旨、预防教育法和支援的材料，主要用以培育平信徒。
They are materials used in training lay people in Salesian principles, Preventive System and Assistance.
这些有关于慈幼会宗旨、预防教育法和支援的材料，主要用以培育平信徒。
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