短語詞組短語magnetically -focused image converter tube 磁聚焦變像琯magnetically focused electron gun 磁聚焦電子槍magnetically focused cascade imge intensifier 磁聚焦級(jí)聯(lián)象增強(qiáng)器magnetically focused cascade image intensifier 磁聚焦級(jí)聯(lián)像增強(qiáng)器 返回 magnetically focused