西门子培训3\SERV1_A1C_Solution1.ppt ...........\SERV2_01C_DBs.ppt ...........\SERV2_02C_FCFBs.ppt ...........\SERV2_03C_OBs.ppt ...........\SERV2_04C_Analog.ppt ...........\SERV2_05C_Troubleshoot.ppt 西门子培训3