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男,46岁,高空坠落后臀部着地,即刻面色苍白,脉细弱,血压70/50mmHg,左腰腹膨隆,触痛明显,导出150ml淡黄色透明尿液,快速输血800ml无好转,诊断哪种损伤较确切()
通常情况下,频带宽度由大到小的排列顺序是()。 ①单边带电话 ②调频电话 ③调幅(AM)电话
根据《铁路交通事故调查处理规则》规定,铁路交通事故责任分为()。
水泥熟料煅烧过程中,C3S的生成温度范围一般为().
下列哪一项是使用洋地黄的禁忌证()
土壤粘结性
气缸盖冷却腔裂纹源形成的主要原因是()。
《中华人民共和国义务教育法》规定,国家实行( )年义务教育制度。
处理储煤筒仓搭桥时应采取防止煤块飞溅及滑仓伤人的措施,并应保证工作必须至少2人进行。
叶某一天上午在工场焊接家具,下午自觉异物感,晚上疼痛剧烈而来诊,诊为电光性眼炎来急诊时,医生的第一步治疗应该是()
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