如何解决调入数据出图的问题

本人才鸟一个，请问我想调入数据，格式如下：怎么可以在Form中显示出第2列和第4列的曲线图？多谢
jdyd                           测井数据记录
                     ==========================
                    日    期:  2006-09-22-09-26
                    井    号:  B020010000031
                    套    压:     0.52
                    油    压:     0.65
                    下入深度:   825.18
                    电池电压:     6.00
                    操作人员:  刘振山
                    压力计号:  019
                    文 件 名:  D:\yhfwin\dat\2-1-31.dat
                    测压方式:  2
                    测 点 数:      742          序号    累计时间(s)    温度(℃)    压力(MPa)           1             0       26.39       0.002
           2            30       26.42      -0.002
           3            60       26.45       0.516
           4            90       27.30       0.576
           5           120       29.43       0.929
           6           150       32.45       1.251
           7           180       35.01       1.539
           8           210       36.98       1.973
           9           240       38.47       2.450
          10           270       39.70       2.799
          11           300       40.74       2.795
          12           330       41.58       2.785
          13           360       42.27       2.777
          14           390       42.80       2.770
          15           420       43.27       2.967
          16           450       43.71       3.464
          17           480       44.19       4.194