在工作间中，三位女人正在谈论着“刺猬”——一种配备在胡佛电动吸尘器上的装置。
In the workshop, three women were talking about the "Hedgehog", a device attached to a Hoover.
本发明涉及电动吸尘器。
The present invention relates to an electric dust collector.
本发明涉及电动鼓风机以及具备它的电动吸尘器。
The invention relates to an electrical blower and an electric dust collector equipped with it.
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