九味羌活汤主治证的病因病机是()
A.气虚外感风寒湿邪
B.外感风寒湿邪,内有蕴热
C.外感风寒,内停饮水
D.外感风寒,内伤湿滞
E.外感风寒,内有气滞
参考答案:B
The exhibition is held ______our own expense and______ last year's prices. ( )
A.for, at
B.for, with
C.at, at
D.for, for
当出现机油过低现象时一般的故障原因有()
A.油压表或传感器损坏
B.机油滤清器堵塞
C.机油压力调节阀损坏
D.油路堵塞