我们最近在研发新产品，现在在做调查。想了解一下你们对于换气扇产品，如果

We are developing new products recently and are now investigating. I would like to know about your ventilating fan products. If you want to add functions, what functions do you think should be added? Are there any requirements for the shape of the product?

We've been developing new products recently, and now we're doing research. If you want to add functions to your ventilator products, what functions do you think you need to add? Do you have any requirements for the shape of the product?<br>

We are developing new products recently, and now we are doing investigation. I would like to know what functions you need to add if you want to add to your ventilator products. Are there any requirements for the shape of the product?