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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) | |||
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overflow spillway : 4 phrases in 1 subject |
| General | 4 |