1) light pollution
轻污染
1.
The experiment shows that the waste water discharged by the some company in Jinzhou is characterized by light pollution.
实验表明:锦州某公司排放废水现属轻污染。
2) Reducing pollution
减轻污染
3) micro-polluted water
轻污染水
1.
BAF (biological aerated filter) process and SF (sand filter) process were utilized in the treatment of micro-polluted water in a refinery.
试验证明:BAF工艺是一种高效的处理方法,适合炼油厂轻污染水的净化处理。
4) zone of mild pollution
轻污染带
5) pollution abatement
"减少污染,减轻污染"
6) Light dirty oil tank
轻污油罐
补充资料：轻言轻语
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