barriern.栅栏;障碍物;屏障
barrier film阻挡膜
barrier gate势垒栅
barrier type护栏型式
barrier curb栏式缘石
barrier zone屏障带
barrier lake堰塞湖
barrier seal阻挡层密封
barrier reefn.堤礁;堡礁
barrier gown隔离衣
barrier cone闸锥