(subclass EngineCoolingSystem PhysicalSystem) | Cars.kif 2135-2135 | 子類 EngineCoolingSystem and 物理系統 |
(subclass LiquidEngineCoolingSystem EngineCoolingSystem) | Cars.kif 2156-2156 | 子類 LiquidEngineCoolingSystem and EngineCoolingSystem |
(subclass AirEngineCoolingSystem EngineCoolingSystem) | Cars.kif 2176-2176 | 子類 AirEngineCoolingSystem and EngineCoolingSystem |