concentration level meaning in English
浓度级
浓缩水平；富集水平
Examples
- Radon concentration level in the pits of 24 coal mines in zaozhuang mining area
枣庄矿区24所煤矿井下氡浓度水平 - Keep the average carbon monoxide concentration level inside the tunnel at all times
控制隧道内一氧化碳的平均浓度 - However , the coneg model legislation also provides exceptions to these concentration levels
但是,法律还规定示范coneg这些例外浓度 - Investigation on the concentration level of radon in the tunnel workplace in a hydropower station
水电站隧道作业场所空气氡浓度水平调查 - An empirical study on the measure of industry concentration level of petroleum - gas industry in western china
中国西部地区石油天然气产业集聚水平测度的实证研究