(subclass RailVehicle LandVehicle) | Transportation.kif 2033-2033 | 铁路车辆 是 陆地车辆 的 subclass |
(subclass Train RailVehicle) | Transportation.kif 2047-2047 | 火车 是 铁路车辆 的 subclass |
(subclass RollingStock RailVehicle) | Transportation.kif 2095-2095 | 波荡股 是 铁路车辆 的 subclass |
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