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small fan blower sound insulation是什么意思


中文翻译小风机隔音

网络释义

1)small fan blower sound insulation,小风机隔音2)big fan blower sound insulation,大风机隔音3)sound-proof film camera,隔音摄影机4)acoustical duct lining,风道隔音衬里5)noise reduction fan,消音风机6)double-layer sound insulation earphone,双层隔音耳机