production sample是什么意思

production sample pre-production sample production sample是什么意思 production sample是什么意思 physical sample和producton sample是什么意思,有什么区别production production possibility curve是什么? translation production assistant是什么 Production Leader 是什么? Sample Text的意思是什么?! a sample used for the shipping approval of products prior to shipment after mass production in a case that any defect in a pre-production sample is foudn Production supervisors 是什么意思,简写是什么? production production Production Production production writing sample和research proposal 分别是什么?