如图表示人体血液中氧和二氧化碳含量的变化情况据图回答1如果血管�包绕在肺泡外�的名称是 表示二氧化碳变化的曲线是 .如果血管�为 Template




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tomski如图表示人体血液中氧和二氧化碳含量的变化情况据图回答1如果血管�包绕在肺泡外�的名称是 表示二氧化碳变化的曲线是 .如果血管�为 coloring