Pervomaysky Koān (Yaroslavl Chiu)
Pervomaysky Koān (Lō͘-se-a-gí: Первомайский район) sī Lō͘-se-a Yaroslavl Chiu ê chi̍t ê koān (raion).
| Pervomaysky Koān Первомайский район |
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| — Koān — | |||
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| Kok-ka |  Lō͘-se-a
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| Chiu | Yaroslavl Chiu | ||
| Bīn-chek | |||
| - Lóng-chóng | 2,270 km2 | ||
| Jîn-kháu | |||
| - Lóng-chóng | 10,074 lâng | ||
| Bāng-chām | pervomayadm |
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