在产品设计和开发工厂产品开发的研究与应用是否有产品安全功能、评估模式、模具和样品？
Does factory PD study and apply product safety features, evaluates patterns, moulds and samples during product design and development?
在产品设计和开发工厂产品开发的研究与应用是否有产品安全功能、评估模式、模具和样品？
Does factory PD study and apply product safety features, evaluates patterns, moulds and samples during product design and development?
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