| 摘要 |
The common inhale hole of vacuum cleaner comprises a nozzle cover(5-4) where a flow is formed, a nozzle base(5-7) coupled to rotate in the bottom of a flow guide(5-5) at 360 deg., a connection pipe holder(5-3) connected to rotate in the back of the flow formed by the nozzle cover(5-4) and the flow guide(5-5), and a connection pipe(5-2) connected to rotate with the connection pipe holder(5-3) at 360 deg.
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