(subclass SpeedGovernor Device) | Cars.kif 2904-2904 | SpeedGovernor 是 设备 的 subclass |
(subclass EngineGovernor SpeedGovernor) | Cars.kif 2923-2923 | EngineGovernor 是 SpeedGovernor 的 subclass |
(subclass AutomobileGovernor SpeedGovernor) | Cars.kif 2950-2950 | AutomobileGovernor 是 SpeedGovernor 的 subclass |