... 频程 sound interval 频带声压级 sound band pressure level 频带展宽系数 band expansion factor ...
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band sound pressure level 频带声压级
frequency band sound pressure level 倍频带声压级
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Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level.
增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。
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