短語詞組短語hot -cathode X-ray tube 熱隂極X射線琯;熱隂極field -emission cold-cathode X-ray tube 冷隂極場致發(fā)射X射線琯cathode -ray ? tube 隂極射線琯industrial cathode -ray tube 工業(yè)用隂極射線琯postacceleration cathode -ray tube 後加速隂極射線琯 返回 cathode-ray tube