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| 試験掘 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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test digging : 2 phrases, 1 sujets |
| Technologie | 2 |
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| 試験掘 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
test digging : 2 phrases, 1 sujets |
| Technologie | 2 |