Meanwhile, this method can be extended to the design of band-stop filter.

同时，该方法可以推广至带阻滤波器的设计。

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The oil pipeline, the main engine oil discharge filter easy to stop up;

油管路、主机回油过滤器易堵塞；

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The oil pipeline, the main engine oil discharge filter easy to stop up;

油管路、主机回油过滤器易堵塞；

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