495A型柴油机喷油器为(),喷射压力为175±5Kgf/cm2。? ["A、单孔","B、双孔","C、多孔"]
《素问·阴阳应象大论》说:“壮火散气”,其“气”指的是() ["阴气","元气","阳气","卫气"]
太平天国革命运动中,下列重大事件的先后顺序是()①金田起义②西征③北伐④天京变乱 ["①②③④","②③①④","①③④②","①③②④"]
《素问·阴阳应象大论》的内容,“少火”能够:() ["食气","生气","生津","化血"]
在1FC5356发电机中,将无功电流取出并转化为调差电压的是()。 ["T7、T8","T6","T4、T5","T1、T2、T3"]
灵敏度余量是()和()的综合性能。