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| 越流式洪水吐 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 越流余水吐き River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 越流余水路 (etsuryū-yosuiro) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
overflow spillway : 4 do fraz, 1 tematyki |
| Pospolicie | 4 |