存储磁鼓 file drum ; memory drum ; magnetic storage drum

计算机存储磁鼓 [计] computer memory drum

电子存储磁鼓 electronic memory drum

磁鼓储存器 drum storage ; magnetic drum memory ; magnetic-drum storage ; drum storage magnetic drum

磁鼓储存系统 drum storage system ; magnetic drum storage system

辅助存储磁鼓 auxiliary memory drum