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to phrases
pollutant level
tech.
污染物浓度
;
污染水平
pollutant levels
auto.
发动机/汽车
污染物值
数据
desert.
污染物浓度
pollutant level
A value representing the concentration of a polluting agent in a specified area, often determined by a measuring and recording device
environ.
污染物水平
(在一个特定的区域代表污染浓度的一个值,通常由测量和记录设备决定。)
pollutant level
:
6 phrases
in 3 subjects
Ecology
2
Technology
3
Water resources
1
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