 |
| |||
| トンネル工法 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
tunneling method : 4 phrases in 2 subjects |
| General | 2 |
| Technology | 2 |
|
| |||
| トンネル工法 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
tunneling method : 4 phrases in 2 subjects |
| General | 2 |
| Technology | 2 |