过滤介质采用打褶设计，之后与价格低廉的滤波元件安装在一起。
The filter media is pleated and then assembled into an economical disposable filter element.
根据变流器直流侧滤波元件，将谐波源分成电流型和电压型谐波源。
The harmonic source can be classified into current harmonic source and voltage harmonic source on the basis of a transformer with a filter component on its DC side.
至少两个滤波元件共同作用形成基于它们各自频率成分的差分输出信号。
At least two of the filter elements cooperatively form a differential output signal based on their respective frequency components.
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