The vacuum cleaner can be divided into vertical, horizontal and portable according to the structure.
Author: ComeFrom: Date:2015-05-15 18:00:15 Hits:1683
The vacuum cleaner can be divided into vertical, horizontal and portable according to the structure.. The vacuum cleaner works the principle is, the use motor drives the vane high speed rotating, in the seal shell body produces the air negative pressure, absorbs the dust. September 2012 domestic vacuum cleaner production is 7405000 units.
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