引起机组甩负荷的原因是什么?
参考答案:
(1)发电机出口断路器断开(带厂用电或空转);
(2)主汽轮机跳闸。
确诊败血症的金标准是()
A.血常规异常
B.血培养阳性
C.分泌物培养阳性
D.CRP升高
E.脑脊液培养阳性
—There is only 15 minutes left for work. What shall we do?
—My God!There are always not any taxis when you want_______
A.one
B.it
C.that
D.any