图是血液循环和气体交换示意图请据图回答1图中5指的是 内流 血图中7指的是 血2血液由2射出流径56到了循环途经叫 Template




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tomski图是血液循环和气体交换示意图请据图回答1图中5指的是 内流 血图中7指的是 coloring