(subclass DiskDriveWithRemovableDisks DiskDrive) | ComputerInput.kif 752-752 | DiskDriveWithRemovableDisks 是 DiskDrive 的 subclass |
(subclass CartridgeHardDiskDrive DiskDriveWithRemovableDisks) | ComputerInput.kif 757-757 | CartridgeHardDiskDrive 是 DiskDriveWithRemovableDisks 的 subclass |
(subclass FloppyDiskDrive DiskDriveWithRemovableDisks) | ComputerInput.kif 766-766 | FloppyDiskDrive 是 DiskDriveWithRemovableDisks 的 subclass |