preservativen.防腐剂;预防法;预防药adj.保存的;有保存力的;防腐的
preservative process防腐工序,防腐法
Preservative formula保鲜剂
preservative solution防腐液
preservative activity防腐作用
preservative of silage青贮保存剂
Preservative technique保藏工艺
preservative solutions保鲜剂
preservative packaging保鲜包装
preservative for paint油漆用防霉剂
preservative treatment防腐处理