| 摘要 |
A carrier movable about an endless path in one direction from an inlet to an outlet and in the other direction from an outlet to an inlet, at least a portion of the carrier being of resiliently compressible permeable material, and compressing means along said other direction of the path to compress the resilient carrier portion and expel therefrom fluid toward the outlet, the elastic carrier portion expanding in the direction from the inlet toward the outlet to absorb fluid and transfer the same.
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