Besides the element parts of a fan, it specially has a cone filtering net, a dust collecting cover and a dust collecting bag.

它的外型类似于离心风机，除了主要的风机部件外，还有其独特的锥形滤网、集灰罩和集尘袋。

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Its outline looks like a centrifugal fan. Besides the element parts of a fan, it specially has a cone filtering net, a dust collecting cover and a dust collecting bag.

它的外型类似于离心风机，除了主要的风机部件外，还有其独特的锥形滤网、集灰罩和集尘袋。

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