该过滤器作为高效过滤器和中效过滤器的前置过滤器。
本实用新型提供了一种铁路风动道岔前置过滤器，属于铁路运输设施的配套装置技术领域。
The utility model provides a pre-filter of a railway pneumatic turnover, and belongs to the technical filed of accessories of railway transport facilities.
本实用新型提供了一种铁路风动道岔前置过滤器，属于铁路运输设施的配套装置技术领域。
The utility model provides a pre-filter of a railway pneumatic turnover, and belongs to the technical filed of accessories of railway transport facilities.
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