6.如图1是某人在一次平静�吸中肺内气压的变化曲线图2是人体内的气体交换示意图请据图回答问题1图1中表示吸气过程的是曲线ab段吸气 Template




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tomski6.如图1是某人在一次平静�吸中肺内气压的变化曲线图2是人体内的气体交换示意图请据图回答问题1图1中表示吸气过程的是曲线ab段吸气 coloring