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| 回声测深仪; 回声控测〔测深〕仪; 回声探测仪〔器〕 | |||
| 测深仪 | |||
| 回声探测仪; 回音探深仪; 测深器; 测深计 | |||
| depth finder: 36 phrases in 11 subjects |
| Architecture | 2 |
| Earth sciences | 3 |
| Electronics | 2 |
| Engineering geology | 1 |
| Fish farming pisciculture | 1 |
| Hydroelectric power stations | 1 |
| Mining | 1 |
| Navigation | 1 |
| Oil / petroleum | 4 |
| Shipbuilding | 2 |
| Technology | 18 |
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