代码缩进优化 - 公制螺纹孔和管螺纹孔计算

if A手填_孔类别 = "公制螺纹孔" then\n B选择_管螺纹孔规格 = 0\nelse if A手填_孔类别 = "管螺纹孔" then\n B选择_公制螺纹孔大径 = 1\nend if\n\nIf B选择_公制螺纹孔大径 = 1 Then\n If B选择_管螺纹孔规格 = "1/8" Then\n C生成_螺纹大径 = 9.728\n Else If B选择_管螺纹孔规格 = "1/4" Then\n C生成_螺纹大径 = 13.157\n Else If B选择_管螺纹孔规格 = "3/8" Then\n C生成_螺纹大径 = 16.662\n Else If B选择_管螺纹孔规格 = "1/2" Then\n C生成_螺纹大径 = 20.955\n Else If B选择_管螺纹孔规格 = "5/8" Then\n C生成_螺纹大径 = 22.911\n Else If B选择_管螺纹孔规格 = "3/4" Then\n C生成_螺纹大径 = 26.441\n Else If B选择_管螺纹孔规格 = "7/8" Then\n C生成_螺纹大径 = 30.201\n Else If B选择_管螺纹孔规格 = "1" Then\n C生成_螺纹大径 = 33.249\n Else If B选择_管螺纹孔规格 = "1-1/8" Then\n C生成_螺纹大径 = 37.897\n Else If B选择_管螺纹孔规格 = "1-1/4" Then\n C生成_螺纹大径 = 41.91\n Else If B选择_管螺纹孔规格 = "1-1/2" Then\n C生成_螺纹大径 = 47.803\n Else If B选择_管螺纹孔规格 = "1-3/4" Then\n C生成_螺纹大径 = 53.746\n Else If B选择_管螺纹孔规格 = "2" Then\n C生成_螺纹大径 = 59.614\n End If\nEnd If\n\nIf B选择_管螺纹孔规格 = 0 Then\n If B选择_公制螺纹孔大径 = 3 Then\n C生成_管螺纹孔底孔直径 = 2.5\n Else If B选择_公制螺纹孔大径 = 4 Then\n C生成_管螺纹孔底孔直径 = 3.3\n Else If B选择_公制螺纹孔大径 = 5 Then\n C生成_管螺纹孔底孔直径 = 4.2\n Else If B选择_公制螺纹孔大径 = 6 Then\n C生成_管螺纹孔底孔直径 = 5\n Else If B选择_公制螺纹孔大径 = 8 Then\n C生成_管螺纹孔底孔直径 = 6.8\n Else If B选择_公制螺纹孔大径 = 10 Then\n C生成_管螺纹孔底孔直径 = 8.5\n Else If B选择_公制螺纹孔大径 = 12 Then\n C生成_管螺纹孔底孔直径 = 10.3\n Else If B选择_公制螺纹孔大径 = 14 Then\n C生成_管螺纹孔底孔直径 = 12\n Else If B选择_公制螺纹孔大径 = 16 Then\n C生成_管螺纹孔底孔直径 = 14\n Else If B选择_公制螺纹孔大径 = 20 Then\n C生成_管螺纹孔底孔直径 = 17.5\n Else If B选择_公制螺纹孔大径 = 24 Then\n C生成_管螺纹孔底孔直径 = 21\n Else If B选择_公制螺纹孔大径 = 30 Then\n C生成_管螺纹孔底孔直径 = 26.5\n End If\nEnd If