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| 人工軽量骨材 (じんこうけいりょうこつざい) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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artificial lightweight aggregate : 2 Phrasen in 1 Thematik |
| Allgemeine Lexik | 2 |
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| 人工軽量骨材 (じんこうけいりょうこつざい) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
artificial lightweight aggregate : 2 Phrasen in 1 Thematik |
| Allgemeine Lexik | 2 |