短語(yǔ)詞組短語(yǔ)barrier r grid tube 阻擋柵存儲(chǔ)管barrier grid storage tube [電子]障柵存儲(chǔ)管;隔離柵儲(chǔ)存管;阻檔柵存儲(chǔ)管 返回 barrier grid tube