灰尘浓度 meaning in English
dust concentration
Examples
- Methods of measurement for airborne dust concentration in welding environment
焊接环境中气载灰尘浓度的测量方法 - Air quality . stationary source emission . determination of dust concentration by opacimetry with reflected light
空气质量.固定源辐射.用反射光不透明计测定灰尘浓度