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| 予備設計 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 概略設計 (がいりゃく・せっけい) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 基本設計 (きほん・せっけい) | |||
| English thesaurus | |||
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| p.d. | |||
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| PD | |||
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preliminary design : 1 phrase in 1 subject |
| Technology | 1 |