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| 噪声监测 | |||
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| 噪音控制 控制发声声音到可接受水平的过程。 (Процесс, контролирующий слышимость звука на приемлемом уровне); 噪声控制 | |||
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контроль за уровнем шумов : 2 phrases in 1 subject |
| Environment | 2 |
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