lamda linq 的join与select结合

List<AllStation> arrAllStation

List<DataCollector> idAndMn

var newStation = arrAllStation.Join(idAndMn, s => s.StationId, d => d.StationId, (s, d) => new { station = s, mn = d }).Select(a => new AllStation { 

                StationId = a.station.StationId,

                FullName = a.station.FullName,

                Latitude = a.station.Latitude,

                Longitude = a.station.Longitude,

                TypeId = a.station.TypeId,

                IsOnline = a.station.IsOnline,

                SampleMN = a.mn.SampleMN });