单号:ee           客户名称:aa      
...
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批号                规格     等级
-------------------------------------
d2001              133/2     AA
---------------------------------------------
0000001(条码号)    42.0(重量)    0000002     42.0
0000003            42.0         0000004     42.0
-------------------------------------------------
d3001              133/2     A
-------------------------------------------------------
0000005            33.0         0000006    33.0
0000007            33.0         0000008    33.0
...
问题的关键是第二重和第三重如何处理?前提是不用其他控件;请各位多指教!!!