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   英语
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短语
noise reduction
一般 kohinanvaimennus; ääneneristys
环境 melunvaimennus
noise reduction The reduction in the sound pressure level of a noise, or the attenuation of unwanted sound by any means
环境 melunvaimennus; kohinanvaimennus
noise reduction: 4 短语, 2 学科
环境2
电子产品2