| 摘要 |
Solids material remaining on the bottom of a vessel after discharge of solids material therefrom is washed by a pressurized jet of washing fluid from a washing apparatus through an aperture in the vessel bottom and into entrainment with a pressurized jet of fluid located beneath said aperture, produced by a jet entrainment arrangement, with the entrainment jet being projected in a direction which is substantially parallel to the vessel bottom and being exposed to the interior of the vessel through the aperture.
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