系统管理员在设备入网前填写(),由系统维护主管负责批准 ["设备入网申请","设备准入申请","设备入网请示","设备加电申请"]
TGF23系列逆变器的额定电压为() ["三相交流380x(1±5%)V","单相交流220x(1±5%)V","直流600V","A、B两种"]
微量法测血细胞比容,相对离心力要求是() ["4500g","5500g","6500g","7500g","12500g"]
回阳救急汤与实脾饮二方中均含有() ["A.柴胡与大黄","B.大黄与山栀","C.黄芩与黄连","D.黄连与干姜","E.干姜与制附子"]
不符合温抗体型自身免疫性溶血性贫血的是() ["抗体多为IgG型","溶血不一定要补体参加","有原发性和继发性两型","在血管内引起凝血和溶血","慢性型伴血小板减少性紫癜即为Evans综合征"]
已知m(H2SO4)=147g,以H2SO4和1/2H2SO4为基本单元,问n(H2SO4)=?n(1/2H2SO4)=?(相对原子质量:H=1,S=32,O=16)