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qy2.close;
qy2.SQL.Clear;
qy2.SQL.Add('select * from xyjjcb where yf='''+xyjlr.maskedit3.text+''' order by xm');
qy2.Open;
while not qy2.eof do
begin
DBgrideh1.columns[0].picklist.Add(qy2.FieldByName('xm').AsString);
qy2.Next;
end;
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