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Working principle of vacuum cleaner

Working principle of washing and sweeping vehicle

 Working principle of road sweeper

 How does the sweeper work? Is it clean? Will it raise a lot of dust?

How can we increase the suction of the centrifugal fan of the sweeper？

How high-power electric sweeper can suck banana peel?

How to adjust the air volume of the fan in the cleaning process of th...

Le ventole centrifughe inclinate in avanti e inclinate all’indi...

Composizione e applicazione del ventilatore centrifugo inclinato all&...