PCB industry is heavy water consumption and heavy pollution industry.
PC B工业是用水大户，也是污染环境大户。
It is better in wet period, which only performs heavy pollution in 2.1 and 9 section.
丰水期的情况稍好，只有2.1断面和9断面表现为重污染以上。
Objective To explore heavy metal pollution in mining and its effect on health.
目的探讨矿区环境重金属污染及其机体健康效应。
Air pollution is extremely serious, especially in cities with heavy industry.
空气污染相当严重，一些重工业城市尤为严重。
Heavy metal pollution has been the very serious world environmental problems.
重金属污染是当今世界非常严重的环境污染问题之一。
Heavy metal pollution is a serious problem in China.
我国土壤重金属污染相当严重。
As for the city, there is pollution, noise and heavy traffic.
对城市来说，有污染、噪音和拥挤的交通。
Heavy metal pollution has been the worldwide concern.
土壤重金属污染问题已经引起了全世界的关注。
Soil heavy metal pollution is a universal problem in the world.
世界各国土壤均出现不同程度的重金属污染问题。
There exists heavy mental pollution in researching area, especially in industry area.
研究地区土壤重金属污染较为严重，其中以工业区最为严重。
There exists heavy mental pollution in researching area, especially in industry area.
研究地区土壤重金属污染较为严重，其中以工业区最为严重。
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