阻塞性肺气肿最早出现的变化是A.胸部X线显示肺动脉段略突出 B.心电图显示电轴右偏 发布时间:2018-05-25 03:52 │ 来源:www.tikuol.com 题型:单项选择题 问题: 阻塞性肺气肿最早出现的变化是A.胸部X线显示肺动脉段略突出B.心电图显示电轴右偏C.心界缩小D.动脉血C02分压升高E.最大通气量降低
题型:单项选择题 Products which are made from dirts and are ________high temperatures are known as ceramics.A.tempered inB.subjected toC.exposed toD.baked in 查看答案