| 摘要 |
Regular cap contains sheets, in which the elongated rectangular openings with upper toothed edges with staggered horizontal rows are executed. The optimum relationships between the sizes of openings are coordinated between them and with physical-chemical properties of working products with the help of the value of capillary constant ?, which are as follows: depth of teeth is equal to ?, width of teeth, distance between them and between openings along horizontal line are identical and close to the size 1,3?, and the distance along the height between horizontal rows of openings is equal to (0,5à2,0)?.
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