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患者男性,18岁,突发气急1天,经体检、X线检查诊为左侧气胸,左肺压缩50%以上 。请你紧急实施胸膜腔穿刺-气胸排气治疗 。
坚持马克思主义唯物史观的根本要求是( )。
当预告信号机的()不足400m时,预告信号机与其主体信号机的安装距离不得小于()。
所得税法实施条例规定,融资租入的固定资产,以租赁合同约定的付款总额和承租人应承担的在签订租赁合同过程中发生的相关费用为计税基础,租赁合同未约定付款总额的以该资产的公允价值和承租人签订租赁合同过程中发生的相关费用为计税基础。
观察法通常用于在实地调查中收集社会()或(料),而且通常结合其他调查方法共同使用。
出站兼调车的信号机显示()灯光时,准许越过该信号机调车。
电子出版物的外在特点有()。
拔除时,最佳麻醉方法为( )。
压力容器常用钢种有碳素钢、低合金钢、珠光体耐热钢、低温钢、不锈钢等种类。
一般把豆科植物分成三个亚科,不论哪个亚科的植物都具有下列特征()。
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