 |
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| 平衡圏 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 緯線 (いせん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| 平行圈 (へいこうけん) | |||
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parallel circle : 3 phrases, 1 sujets |
| Technologie | 3 |
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| |||
| 平衡圏 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 緯線 (いせん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| 平行圈 (へいこうけん) | |||
|
parallel circle : 3 phrases, 1 sujets |
| Technologie | 3 |