GB/T 40806-2021机床发射空气传播噪声金属切削机床的操作条件标准
英文:Airborne noise emitted by machine tools—Operating conditions for metal-cutting machines GB/T 40806-2021介绍: 国家标准《机床发射空...
英文:Airborne noise emitted by machine tools—Operating conditions for metal-cutting machines GB/T 40806-2021介绍: 国家标准《机床发射空...