跟地板上的这个马达一样，他们给等离子体创造了一个自由的环境。
The same as this motor on the floor, they are creating free condition plasma.
二次离子污染是影响厦门环境空气质量的主要因子。
The pollution of secondary ions is the major influence factor for Xiaman air quality.
二次离子污染是影响厦门环境空气质量的主要因子。
The pollution of secondary ions is the major influence factor for Xiaman air quality.
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