Far facial leak distance and excellent anti-pollution ability ensures safe operation in bad condition and seriously polluted area.
表面泄露距离大，耐污性强，确保在恶劣条件和高污染地区安全运行。
The study on the soil environmental geochemistry in Chang-Zhu-Tan area shows that heavy metals in the industrial area were seriously polluted.
通过长株潭地区环境地球化学调查工作的实施，对长株潭地区土壤环境地球化学研究的工作方法进行了初步研究。
All of the water in the area has been seriously polluted.
这地区所有的水都已受严重污染。
All of the water in the area has been seriously polluted.
这地区所有的水都已受严重污染。
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