测点 | 时间 | 倍频程频带声压级 | A声级 |
| |||||||
63.0Hz | 125Hz | 250Hz | 500Hz | 1 000Hz | 2 000Hz | 4 000Hz | 8 000Hz |
| |||
① | 治理前 | 110.6 | 103.6 | 105.1 | 108.1 | 102.4 | 96.2 | 90.3 | 85.8 | 108.1 |
|
② | 治理前 | 90.4 | 96.2 | 111.2 | 110.7 | 114.8 | 111.0 | 100.0 | 88.3 | 116.2 |
|
② | 治理后 | 87.5 | 88.1 | 85.2 | 89.8 | 80.5 | 76.7 | 69.9 | 64.1 | 87.8 | / s6 M9 T) J0 s 5 G( r4 |9 e k0 Y3 |4 a1 j3 _ B! e0 d |
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