下列选项中,引起气压机突然跳闸停机的原因是()。
A、气压机严重带液
B、电机定子温度≥120℃
C、机组超速
D、轴承温度超高
参考答案:C
---I won the first prize in the talent contest!
--- !
A.Have good luck
B.Congratulation
C.Good for you
D.Best wishes
除氧器的排氧门何时开启?何时关闭?