Plate filters for the cardboard frame, filter material for synthetic fiber filter material, folding the filter material behind the wire mesh support.
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。
Buckle folding: Method of folding sheets of paper where the sheet is bent or Buckled by a metal plate.
栅栏式折页(梳式折页)：用金属栅栏把纸张弯曲屈折的方法。
It simulates the tube bundle, folding plate and other geometrical forms with multi orifices and distributed resistance.
用多孔介质及分布阻力等概念模拟凝汽器中的管束和折流板等几何形状。
The utility model provides a bonded loose-leaf file folder formed by a folding type hard plate, a fixing plate, an elliptic live splint, a connecting plate and a glue sheet part.
本实用新型提供了一种由折叠式硬质板、固定板、椭圆活动夹、连接板、胶片部分构成的粘贴式活页资料夹。
The utility model provides a bonded loose-leaf file folder formed by a folding type hard plate, a fixing plate, an elliptic live splint, a connecting plate and a glue sheet part.
本实用新型提供了一种由折叠式硬质板、固定板、椭圆活动夹、连接板、胶片部分构成的粘贴式活页资料夹。
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