FastReport 问题求教

主表A (A1,A2,A3)
明细表B(B1,B2,B3)
------------------------------------------------------------------------
|                             XXXX公司                                  |
|                                                                       |     
|  单号：[A1]                                                           |
|_______________________________________________________________________|
||B1  |  B2   |  B3                                                     |
||____|_______|_________________________________________________________|
  审核人：[A3]谢谢各位大牛