(subclass VehicleSafetyDevice SafetyDevice) | Cars.kif 3375-3375 | VehicleSafetyDevice 是 SafetyDevice 的 subclass |
(subclass AutoAirbag VehicleSafetyDevice) | Cars.kif 3624-3624 | AutoAirbag 是 VehicleSafetyDevice 的 subclass |
(subclass SeatBelt VehicleSafetyDevice) | Cars.kif 3658-3658 | SeatBelt 是 VehicleSafetyDevice 的 subclass |