FGC联票哪里购买？

刚才查询FGC的网站，看到有古埃尔教堂（桂尔工业区）有联票，上面写着：Ticket salesCustomer Combined tickets are on sale at all stations of the Llobregat-Anoia line and Customer Service Centres at Plaça Catalunya and Plaça Espanya. 看不明白 Llobregat-Anoia line and Customer Service，是FGC的车站和 i 游客中心的意思吗？