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| 試掘孔 (しくつ・こう) | |||
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| 試坑 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 試掘坑 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| 試掘孔 (しくつ・こう) | |||
| 試験ビット (しけんビット) | |||
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test-pit : 3 Phrasen in 2 Thematiken |
| Allgemeine Lexik | 1 |
| Technik | 2 |