发电机出口PT断线时,对应柜的下列什么保护不会被闭锁()。
A.失磁
B.逆功率
C.失步
D.过负荷
参考答案:D
In relation to contract law explain and distinguish between:
(b) an acceptance and a counter-proposal (counter-offer). (5 marks)
下壁心肌梗塞的特征性心电图改变,反映在().
A.V1-V3导联
B.V3-V5导联
C.V1-V5导联
D.Ⅰ,avI导联
E.Ⅱ,Ⅲ,avF导联