气象雷达的气象信息通过哪个接口送到DEU(). ["ARINC;429I/O接口","模拟/离散接口","天线输入/输出电路","ARINC;453I/O接口"]
下列那种情况下ADH的分泌将会减少?() ["大出血","大量出汗","严重呕吐或腹泻","大量饮清水","血糖浓度升高"]
旋流器工作时,其轴心必须形成空气柱,底流必定以()排出。 ["A、柱状","B、圆状","C、辐射伞形","D、锥状"]
恶性肿瘤的检查,下列哪项是可靠依据。() ["A、电子计算机断层扫描(CT)","B、放射性核素显像","C、磁共振成像(MRI)","D、正电子发射型计算机断层(PET)","E、以上都不是"]
若电气设备绕组的绝缘等级是B级,那么它的最高允许工作温度是()。 ["90℃","120℃","130℃","145℃"]
什么叫做净化风?