我使用的组合钢笔工具，简单的形状，以及折叠和膨胀过滤器，创建矿。
I used a combination of the pen tool, simple shapes, and the pucker and bloat filter to create mine.
板式过滤器的外框为硬纸板，过滤材料为合成纤维过滤材料，折叠的滤料后面有金属网支撑。
Plate filters for the cardboard frame, filter material for synthetic fiber filter material, folding the filter material behind the wire mesh support.
本实用新型涉及一种空气过滤器滤芯，由壳体、中心轴和折叠式滤纸组成。
The utility model relates to a filter-element of air-filter comprising casing, central shaft and folding filter-paper.
总结：为被折叠的波导管过滤器与发怒联结提出一个新的严谨系统的设计程序。
Summary: a new rigorous systematic design procedure for folded waveguide filters with cross couplings is presented.
微孔膜过滤器MicroporousBarrel - Type Filter微孔膜过滤器采用折叠式微孔滤芯为滤材，对细菌和微粒进行有效截流，达到精滤的目的。
Microporous Barrel-Type Filter adopt accordion capillary strain core for strain material, dam to the bacterium and partied effectively, reach and strain precision.
微孔膜过滤器MicroporousBarrel - Type Filter微孔膜过滤器采用折叠式微孔滤芯为滤材，对细菌和微粒进行有效截流，达到精滤的目的。
Microporous Barrel-Type Filter adopt accordion capillary strain core for strain material, dam to the bacterium and partied effectively, reach and strain precision.
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