不宜破坏的圆形结构多层烧结，很高的强度和刚度，滤芯内层密度递增（或递减

不宜破坏的圆形结构多层烧结，很高的强度和刚度，滤芯内层密度递增（或递减）使其具有高的储污和聚结能力

結果 (英文) 1:

Should not undermine the multilayering and sintering of round structure, high strength and stiffness, cartridge density increment (or decrement) so that it has a high pollution and coalescence storage capacity

結果 (英文) 2:

Not damage the structure of the circular multilayered sintered, high strength and stiffness, the density of the inner filter element is incremented (or decremented) to have a high storage capacity of dirt and coalescence

結果 (英文) 3:

The circular structure of multilayer sintering should not be disturbed, a high strength and stiffness, the filter element inner layer density increasing (or decreasing) which has high dirt storage and coalescence of ability