如图是血液循环和气体交换示意图请据图回答1图中标有�的结构称 .2在图中括号内分别填上血液循环途径的名称.3图中�是指 .4 Template




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tomski如图是血液循环和气体交换示意图请据图回答1图中标有�的结构称 .2在图中括号内分别填上血液循环途径的名称.3图中�是指 .4 coloring