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.
Значение
значений: 1A level or drainage gallery which has a vertical shaft at each end, and acts as an inverted siphon.
Формы
мн. число: blind levels| Ед. число | blind level |
|---|---|
| Мн. число | blind levels |
правильный