独胆7双胆57三胆357四码3457五码34578+6大底: 320, 324, 327, 350, 354, 357, 380, 384, 387, 620, 624, 627, 650, 654, 657680, 684, 687, 720, 724, 727, 750, 754, 757, 780, 784, 787