| 摘要 |
A first portion of the assembly is formed of one or more first perforated plates (26), to define a first series of slots (36) and a second series of slots (46), each slot (36) of the first series being positioned between a pair of slots (46) of the second series, defining first passageways through the first portion for a first fluid and second passegeways through the first portion for a second fluid. A second portion of the assembly is formed of one or more second plates (20, 22, 20A) being perforated to define a first (36, 36B) and a second (46, 46B) series of slots corresponding to the slots of the first plate(s) each slot (46, 46B) of the second series opening at each of its ends into a feeder slot (40A, 40B) extending around the second plate adjacent its periphery, the feeder slot (40A, 40B) being connected to an inlet (24) or an oulet (34) for the second fluid.
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