单项选择题
A.全部水冷B.全部汽化冷却C.北线水冷,南线汽化冷却D.南线水冷,北线汽化冷却
A.南、北线均为12800mmB.南线12800mm,北线12644mmC.南、北线均为12644mmD.北线12800mm,南线12644mm
A.850~900℃B.950~1000℃C.1050~1100℃D.1100~1150℃
A.48个B.56个C.44个D.40个
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