| 摘要 |
Combination flow distributing and collecting apparatus for collecting and distributing fluids at different flow rates includes at least one cylindrical screen member portion having a cylindrical distribution and collection pipe positioned interiorly thereof. The distribution and collection pipe contains a plurality of openings in its sides, with at least some of the openings serving to permit flow in one radial direction while restricting or preventing flow in the other radial direction while the other openings permit flow in either direction.
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