标准编号:ISO 7235:2003
中文名称:声学.消音输送道测量步骤.插入损耗、流动噪声和压力损失
英文名称:Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
发布日期:2003-08
标准编号:ISO 7235:2003
中文名称:声学.消音输送道测量步骤.插入损耗、流动噪声和压力损失
英文名称:Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
发布日期:2003-08