.TRANSFORM.Fluid.ClosureRelations.MassTransfer.Models.DistributedPipe_TraceMass_1D_MultiTransferSurface.PartialMassTransfer_setC.Medium .TRANSFORM.Fluid.ClosureRelations.MassTransfer.Models.DistributedPipe_TraceMass_1D_MultiTransferSurface.PartialMassTransfer_setC.Mediumpackage Medium = Modelica.Media.Air.MoistAir;