不锈钢螺旋风管，其是属于不锈钢风管，还是属于螺旋风管？
Is the stainless steel spiral air duct a stainless steel air duct or a spiral air duct?
不锈钢螺旋风管，其从大的范围来讲，是属于风管这一大类的。而其，既可以属于不锈钢风管，又可以属于螺旋风管，因为，它是风管一次螺旋成型，而且，是采用了不锈钢这一材质，所以，才会有这一具体名称，而且，才会有上述结论。
The stainless steel spiral air duct belongs to the air duct in a large range. And it can belong to both stainless steel air duct and spiral air duct, because it is a spiral forming of air duct, and it is made of stainless steel, so it has this specific name, and it has the above conclusion.