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| 分離環 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| スプリットリング (supuritto-ringu) | |||
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split ring : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |
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| 分離環 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| スプリットリング (supuritto-ringu) | |||
|
split ring : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |