A.60s B.30s C.90s D.120s
A.關(guān)閉入口門 B.關(guān)閉出口門 C.立即合閘啟動 D.無影響
A.再熱器暴管 B.過熱器暴管 C.汽包所有水位計損壞 D.過熱器損壞