一、经过对四个枢纽布置方案的讨论以后,小组认为第一、第三方案较好。在运用上,第一、第二方案没多大区别,第三和第四方案也没多大区别。从造价上看,第一、第三方案比较经济。第二、第四方案花钱较多。从施工上看,一、三方案不需导流,施工比较容易,第二、四方案施工比较困难。因此,大家一 First, after discussions on the layout of the four hubs, the Group considered that the first and third schemes are better. In the application, the first and second programs do not make much difference and the third and fourth programs do not make much difference. From the cost point of view, the first, the third program more economical. Second, the fourth program more expensive. From the construction point of view, the first and third options do not need diversion, construction is easier, the second and fourth options construction more difficult. So everyone one