(subclass EngineCycle Motion) | Cars.kif 80-80 | 子類 EngineCycle and Motion |
(subclass FourStrokeEngineCycle EngineCycle) | Cars.kif 134-134 | 子類 FourStrokeEngineCycle and EngineCycle |
(subclass TwoStrokeEngineCycle EngineCycle) | Cars.kif 251-251 | 子類 TwoStrokeEngineCycle and EngineCycle |