The theory of ejecting airflow by air curtain with multi-parallel fans was fully verified.
试验结果很好地验证了多机并联空气幕引射风流理论；
The invention relates to a double-area multi-stage electrostatic precipitator of reverse airflow dust charge, belonging to the technical field of an electric precipitator.
一种逆气流粉尘荷电的双区多段静电除尘器，属于电除尘器技术领域。
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