Большой китайско-русский словарь
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Haiyan county in Haibei Tibetan autonomous prefecture 海北藏族自治州[Hǎi běi Zàng zú zì zhì zhōu], Qinghai
海晏 в энциклопедиях
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Haiyan county in Haibei Tibetan autonomous prefecture 海北藏族自治州[Hǎi běi Zàng zú zì zhì zhōu], Qinghai