caisson tunnel
| construction method
| caisson tunnel | |
| construct. | Senkkastentunnel; Caissontunnel |
| construction method | |
| gen. | Bauweise; Bauverfahren |
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| Senkkastentunnel m; Caissontunnel m | |||
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caisson tunnel : 1 phrase in 1 subject |
| Transport | 1 |