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| 計画下水量 (けいかくげすいりょう) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 設計流量 (せっけい・りゅうりょう) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
design flow : 9 do fraz, 1 tematyki |
| Pospolicie | 9 |