Said invention can effectively lower filtering resistance and reduce wear of filtering material.
本发 明可有效地降低过滤阻力及减轻滤料磨损。
The utility model can effectively reduce the filtering resistance and the abrasion from filter materials.
本实用新型可有效地降低过滤阻力及减轻滤料磨损。
The utility model can effectively reduce the filtering resistance and the abrasion of the filtering material.
本发明可有效地降低过滤阻力及减轻滤料磨损。
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