8.甲乙两血管均与心脏相连若甲血管与心室相连流静脉血乙血管与心房相连流动脉血则这两条血管分别是 A.主动脉和肺静脉b.肺静脉和肺 Template




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tomski8.甲乙两血管均与心脏相连若甲血管与心室相连流静脉血乙血管与心房相连流动脉血则这两条血管分别是 a.主动脉和肺静脉b.肺静脉和肺 coloring