Vg和Vl分别为饱和蒸汽和饱和液体的体积,x为湿蒸汽干度,则湿蒸汽的体积V为()
A.V=x(Vg-Vl) Vg
B.V=(Vg-Vl) xVl
C.V=x(Vg-Vl) Vl
D.V=(1-x)Vg xVl
正确答案:V=x(Vg-Vl) Vl
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