离心泵的Q-[Hs]曲线是一条()曲线。
A、上升
B、下降
C、平缓上升
D、有转折点
参考答案:B
________all his followers dead,the captain was taken by his enemy.
A.For
B.As
C.Because of
D.With
男性,30岁,血友病病人,拟行右侧腹股沟斜疝修补术。
适合该病人的麻醉方法是()。
A.快速诱导气管内插管全身麻醉
B.慢诱导气管内插管全身麻醉
C.局部麻醉
D.连续硬膜外麻醉
E.腰麻