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Term 1: Term 2:

(subclass TwoCylinderEngine IntermittentCombustionEngine) Cars.kif 4540-4540 子類 TwoCylinderEngine and IntermittentCombustionEngine
(subclass HarleyDavidsonKnuckleheadEngine TwoCylinderEngine) Cars.kif 4578-4578 子類 HarleyDavidsonKnuckleheadEngine and TwoCylinderEngine
(subclass HarleyDavidsonPanheadEngine TwoCylinderEngine) Cars.kif 4682-4682 子類 HarleyDavidsonPanheadEngine and TwoCylinderEngine


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