当验算建筑桩基抗震承载力时,为()。 ["桩顶最大竖向力","基桩或复合基桩的最大竖向力","基桩承载力特征值","地震作用效应和荷载效应标准组合下,基桩或复合基桩的平均竖向力"]
图示平面桁架受水平力P,则竖直杆1、2和斜杆3的内力应为()。 ["60kN,40kN,-25kN","60kN,40kN,25kN","-60kN,-40kN,25kN","-60kN,-40kN,-25kN"]
Murphy征出现在() ["急性胆囊炎","急性梗阻性化脓性胆管炎","急性出血、坏死性胰腺炎","急性化脓性阑尾炎","绞窄性小肠梗阻"]
关于检察院进行刑事司法协助的范围,下列哪些选项的说法是正确的?() ["受别国委托暂时扣押逃往我国的别国犯罪嫌疑人","送达刑事诉讼文书","通报刑事诉讼结果","移交物证、书证和视听资料"]
CVP高,BP正常反应提示() ["血容最严重不足","血容量轻度不足","容量血管过度收缩","心输出量低","心功能不全或血容量相对过多"]
无碴道床混凝土达到设计强度()后,方可进行铺轨作业。