下图是血液循环和气体交换示意图请据图回答1图中的5所指的是 内流 血.图中7所指的是 血.2血液由2射出流经56到3 Template




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tomski下图是血液循环和气体交换示意图请据图回答1图中的5所指的是 内流 血.图中7所指的是 coloring