Barriera巴列拉barriern.栅栏；障碍物；屏障barrierless accumulator非隔离式蓄能器barrier free facilities无障碍设施barrier layer capacitor势垒电容器barrier layer photocell阻挡层光电管barrier-free furniture残障人家具barrier-film rectifier[电] 障壁膜整流器barrier-retreat carpet障壁后退毯状沉积barrier factors analysis两型农业barrier free environment无障碍环境Barrier coverage problem栅栏覆盖控制