| 摘要 |
The sponge mop includes a hollow cylindrical body which terminates at its lower end in a bridge which supports rollers in spaced alignment a predetermined distance on each side of the axis of the body for sponge squeezing purposes. An operating handle is axially movable through the body and is engaged at one end with a sponge carrier to pull the sponge through the rollers for water wringing purposes and to push the sponge below the rollers for work purposes.
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