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Term 1: Term 2:

(subclass Pipeline Transitway) Transportation.kif 773-773 管道公交专用道subclass
(subclass SewageSystem Pipeline) Transportation.kif 785-785 排污系统管道subclass
(subclass CrudeOilPipeline Pipeline) Transportation.kif 797-797 原油管道管道subclass
(subclass NaturalGasPipeline Pipeline) Transportation.kif 809-809 天然气管道管道subclass
(subclass PetroleumProductPipeline Pipeline) Transportation.kif 821-821 石油产品管道管道subclass


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