The main stage has been built with material from 11 million recycled plastic bottles.
建造主舞台的材料来自1100万个回收的塑料瓶。
The main material is SS which has high corrosion resistance longevity of service.
主体材料为不锈钢材料耐腐蚀性强，使用寿命长。
It has been found that main pollutants in filtering material are oil, sulfide and etc.
通过分析发现滤料污染物主要成分为原油、硫化物等。
It has been found that main pollutants in filtering material are oil, sulfide and etc.
通过分析发现滤料污染物主要成分为原油、硫化物等。
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