脊髓半切综合征最常见于()
A.脊髓空洞症
B.硬膜外病变
C.髓内病变
D.髓外硬膜内病变
E.脊髓炎
参考答案:D
Halon gas will decompose and may form very hazardous toxic fumes when discharged().
A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
依据《内蒙古农村信用社金牛借记业务管理办法》中规定,在何种情况下,发卡机构可对金牛卡进行止付操作?