如图是�吸系统模式图请据图回答1对吸入气体有过滤湿润和温暖作用的结构是 .2体内进行气体交换的功能单位是4 它的壁由 Template




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tomski如图是�吸系统模式图请据图回答1对吸入气体有过滤湿润和温暖作用的结构是 .2体内进行气体交换的功能单位是4 它的壁由 coloring