Inventive floor cleaning device, cleaning drum arrangement and sponge drum
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机译:本发明的地板清洁装置,清洁鼓装置和海绵鼓
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摘要
Sponge drum of a inventive floor cleaning device, which an inner sponge layer and an outer sponge layer, wherein the outer sponge layer surrounds the inner sponge layer, the interior of a sponge layer is not absorbent sponge and the outer sponge layer consists of an absorbent sponge.
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