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Term 1: Term 2:

(subclass MotorRailcar PassengerRailcar) Transportation.kif 2203-2203 电动轨道车 是 客运铁路车 的 subclass
(subclass MotorRailcar PoweredVehicle) Transportation.kif 2204-2204 电动轨道车 是 动力车辆 的 subclass


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