固定頭磁鼓 fixed-head magnetic drum: 固定頭磁鼓fixed head drum storage: 固定磁頭存儲(chǔ)器floating head magnetic drum: 浮動(dòng)頭磁鼓flying-head magnetic drum: 腐頭磁鼓fixed head magnetic disk: 固定頭磁盤(pán)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯