2趟。K685 :14:06出发20:08到达。K436:20:56出发次日02:56到达。参考网页网址:https://gss0.baidu.com/8aQDcnSm2Q5IlBGlnYG/train/search.php?tempid=3&wd=%BB%DD%D6%DD%D6%C1%B3%BB%D6%DD&act=station&s1=%BB%DD%D6%DD&s2=%B3%BB%D6%DD&tt=0