| 摘要 |
Sludge accumulations can be quickly removed from a vat containing liquid resin, by a manual mechanism that includes a porous platform adapted to rest on the vat bottom wall. Lifter arms extend upwardly from the platform to mount lifter handles at the vat upper edges. The handles can be pulled upwardly to lift the porous platform out of the vat. Sludge is retained on the platform, while liquid resin drains into the vat.
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