 |
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| 河川工作物構造物 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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river structure : 3 phrases in 1 subject |
| General | 3 |
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| |||
| 河川工作物構造物 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
river structure : 3 phrases in 1 subject |
| General | 3 |