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【单选题】
1MPa下,饱和水的焓为418kJ/kg,干饱和蒸汽的焓为2676 kJ/kg,则在该压力下干度为0.9的湿蒸汽的焓为( )kJ/kg。A.
1450
B.
2450
C.
2258
D.
3094
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