viewimageM.php?id=train&no=29bcc427b38177a16fb3dab004c86b6f1a1232ae65b0ad27308089f2487a0e42d663bdb1066abdfb5dcbdcba7d7e09db3ba14d4c67d1a0f74366d5c4efcb1f1446be807adfce4cc9af41837dfac1615c11c961b01ab2d4

경인선을 130km/h ~ 150km/h급
복복선 지하화하려면 얼마나 더 비싸지는거임?