如图是肺内及组织细胞中气体交换示意图据图回答.1图中a过程叫 B过程叫 .2图中结构a是 B是肺泡�围毛细血管 C是 D Template




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tomski如图是肺内及组织细胞中气体交换示意图据图回答.1图中a过程叫 b过程叫 .2图中结构a是 coloring