Multi fan section. From 2 to 4 fan sections can be specified. Single - or double-line ducts can be specified.

多个扇形段。可指定2到4个扇形段。可以指定单线管道或双线管道。

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The shell behind the fan section is the cyclone guide cylinder which is internally provided with a guide channel used for separating gas from water.

风机段以后的壳体是旋风导流筒，旋风导流筒内设有导流槽，用于气水分离。

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Backwards from the dust collecting mouth, the middle position of the shell is provided with the fan section which is internally provided with the pneumatic motor and vanes.

从集尘口向后，在壳体的中部位置是风机段，风机段内设置有气动马达和风叶。

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The Iranians won three golds in London, backed by a fan section more boisterous than any other nation.

WSJ: US, Russia and Iran to wrestle in New York

The other four members of the Fab Five sat in the lower rows of a fan section behind Michigan's bench.

WSJ: A Reason to Remember the Fab Five

On the terraces of the Yellow Wall, the 25, 000-fan standing section, they hardly ever sing for individual players, preferring instead to chant the name of the team continuously for 90 minutes.

WSJ: Borussa Dortmund Dismayed by G?tze's Transfer to Bayern Munich