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| 騒音制御 (そうおん・せいぎょ) Engineering and Science Technical Dictionary (James Friend) ; 防音 (bōon) Engineering and Science Technical Dictionary (James Friend) | |||
| 騒音対策 (そうおん・たいさく) | |||
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noise control : 4 phrases in 3 subjects |
| Construction | 2 |
| General | 1 |
| Technology | 1 |