barriern.栅栏；障碍物；屏障barrier complex障壁复合体barrier factors障碍因素barrier polymer阻透聚合物barrier voltage屏障电压barrier package阻隔包装,防潮包装,防气包装,防光包装Barrier Segment隔离段,屏蔽段barrier packing阻隔性的包装,不透气薄膜包装barriers option障碍期权barrier leakage势垒穿透barrier coating屏蔽涂料