JD 1ZYZD里程推算：ZDDK125+032.58检核计算：888.14+ (DI-T1)ZY1DK125+920.72ZY1DK125+920.72+2T1289.22+L1/2140.77DK126+209.94QZ1DKI26+061.497.68+L1/2140.77-qYZ1DK126+202.26YZDK126+202.26+(D2-T1-T2)467.09ZY2DK126+669.35ZY2DK126+669.35+2T2226.32+L2/2111.28DK126+895.67QZ2DK126+780.633.75+L2/2111.29-qYZ2DK126+891.92YZ2DK126+891.92