火车票预订的问题,如果一段TER,一段TGV,再一段TER,是否可以提前预订呢?例如下面的行程:Pontorson-Tours 火车换车3/2次,1428-2016(其中从Pontorson到Rennes by TERcar,then TGV to Le Mans,then TGV to Angers,then TERtrain to Tours then Blois),或者1603-2300(TERcar to Dol,TGV to Le Mans,TERtrain to Tours at 2127,TERtrain to Blois),如果能订,是不是要一段一段...