blind level
blind level · blind levels
A level or drainage gallery which has a vertical shaft at each end, and acts as an…A level or drainage gallery which has a vertical shaft at each end, and acts as an inverted siphon.
Значення
значень: 1A level or drainage gallery which has a vertical shaft at each end, and acts as an inverted siphon.
Форми
множина: blind levels| Однина | blind level |
|---|---|
| Множина | blind levels |
правильне