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A.股骨近端、脛骨近端和肱骨近端的干骺端 B.股骨遠(yuǎn)端、脛骨遠(yuǎn)端和肱骨遠(yuǎn)端的干骺端 C.股骨近端、脛骨近端和肱骨遠(yuǎn)端的干骺端 D.股骨近端、脛骨遠(yuǎn)端和肱骨近端的干骺端 E.股骨遠(yuǎn)端、脛骨近端和肱骨近端的干骺端
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