单元模块分为单区和双区两种形式。
The unit modules are divided into a single phase region form and a two region form.
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。
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.
结果与结论头针双区丛刺法治疗组疗效明显优于单纯药物组，总有效率达94%。
Results and conclusion The curative effect was significantly better in the scalp two area cluster acupuncture group than in the simple medication group with a total efficacy rate of 94% in the former.
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