| 摘要 |
A washing unit for an offset duplicating machine, with the washing unit including a washing tank for accommodating a cleaning fluid and a washing roller arranged in the washing tank in such a manner so that at least a portion thereof is dipped in the cleaning fluid accommodated in the washing tank. The washing tank is connected to a circulatory system for recirculating the cleaning fluid. The circulatory system includes a pump for pumping the cleaning fluid through the circulatory system and a filter for filtering the cleaning fluid while the cleaning fluid is being recirculated in the circulatory system.
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