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| 水声的; 水底传播声音的; 液压产生声能的 | |||
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hydroacoustic : 27 phrases in 7 subjects |
| Acoustics | 1 |
| Electronics | 1 |
| Fishery fishing industry | 1 |
| Navigation | 1 |
| Oil / petroleum | 4 |
| Shipbuilding | 1 |
| Technology | 18 |
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