这是适配于小米手持吸尘的屁股吹嘴，风力堪比暴力风扇，可以清灰，用来代替一次性高压气罐，建模了一些简易风道，打印不需要支撑。"This is a butt blowing nozzle designed for Xiaomi handheld vacuum cleaners, with airflow comparable to a violent fan. It can be used for dusting and replaces disposable high-pressure air cans. It features some simple air duct modeling and can be printed without supports."