Sog Koān

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(Tùi Sog-koān choán--lâi)

Sog-koān (Chōng-gí: སོག་རྫོང་།, Hàn-gí: 索縣) sī Tiong-kok Se-chōng Chū-tī-khu Nagqu Tē-khu ê chi̍t ê koān.