主题：[求助]集合

如何将两个集合合并成一个不重复的集合

Dim Arys As List(Of String())  = DataTables("冷轧物流").GetUniqueValues("[熔铸编号] IS NOT NULL", "品种","合金","保税")
Dim Ary1s As List(Of String())  = DataTables("冷轧盘点表").GetUniqueValues("[熔铸编号] IS NOT NULL", "品种","合金","保税")