 |
| |||
| acoustic sounder; echo depth finder; echo sounder; fathometer | |||
| sonde à écho: 2 phrases in 2 subjects |
| Astronomy | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| acoustic sounder; echo depth finder; echo sounder; fathometer | |||
| sonde à écho: 2 phrases in 2 subjects |
| Astronomy | 1 |
| Natural resourses and wildlife conservation | 1 |