ISO 11202-2010 声学机器和设备发射的噪声应用近似环境校正在

liuxilin1215 发表于 2015-1-29 19:21:10

ISO 11202-2010 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
声学机器和设备发射的噪声应用近似环境校正在工作位置和其他指定位置发射声压级的测量

admin 发表于 2015-1-30 11:39:57