-> 孙超群 105 电磁题库 + 题库笔记
题本有写过痕迹，笔记为全新，300
https://i.imgur.com/7we4sxs.jpg
https://i.imgur.com/rQ4hduY.jpg
https://i.imgur.com/cjQ0UM5.jpg
https://i.imgur.com/iVXHdZD.jpg
-> 孙超群 106 电磁题库 + 题库笔记
题本几乎全新，笔记全新无划记，300
https://i.imgur.com/AmeM62X.jpg
https://i.imgur.com/1KvK3Hk.jpg
https://i.imgur.com/HtK2OY3.jpg
https://i.imgur.com/QSKyDv2.jpg
-> 孙超群电磁讲义
全新无划记，500
https://i.imgur.com/vBEpbQI.jpg