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Common cross-sectional shape of ventilation ducts
Classification :company newsDATE:2017-10-13

1, round, round pipe is generally installed directly in the tube, marked to mark the diameter;

2, rectangular, rectangular ventilation pipe is generally built when the building, marked when the standard length and width;

3, the appearance is rectangular, inside the cut circle, this pipe is installed after the tube outside the powder into the late, marked only when the standard length and width.

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