2 The disk jacket has four opening: (1) hub, (2) data access area, (3)write protect noth, and (4) index hole.是什么意思_2 The disk jacket has four opening: (1) hub, (2) data access area, (3)write protect noth, and (4) index hole.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句