这是一个心脏结构示意图根据图回答问题1�和�之间有动脉瓣能控制血液流动方�.2�里面流动的是动脉血�里面流动的是静脉血�里面流 Template




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tomski这是一个心脏结构示意图根据图回答问题1�和�之间有动脉瓣能控制血液流动方�.2�里面流动的是动脉血�里面流动的是静脉血�里面流 coloring