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| 真比重 (sninhijū) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 絶対比重 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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absolute specific gravity : 3 צירופים, 2 נושאים |
| בְּנִיָה | 1 |
| טֶכנוֹלוֹגִיָה | 2 |