Rõngu Kàu-khu
| Rõngu Kàu-khu Rõngu vald |
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| Kok-ka |  Estonia
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| Koān | Tartu | ||
| Sî-khu | EET (UTC 2) | ||
| - Jo̍at--lâng | EEST (UTC 3) | ||
| Bāng-chām | www.rongu.ee | ||
Rõngu Kàu-khu (Estonia-gí: Rõngu vald) sī Estonia Kiōng-hô-kok Tartu Koān ê chi̍t ê chng-kha chū-tī-thé.