GB/T 17248.3-2018
声学 机器和设备发射的噪声 采用近似环境修正测定工作位置和其他指定位置的发射声压级
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
GBT17248.3-2018, GB17248.3-2018