| 摘要 |
The vacuum cleaner nozzle unit has a wet duster inserted securely between a bottom plate and a duster holder to suck in dust from the floor and wipe stains and dirt off the floor. The wet duster is removably attached by means of a button and is arranged to project out of the nozzle unit to wipe clean the corner place. The button is spring supported to be urged upward to hold the wet duster steady.
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