speed sprayer

例句：

1. 1. The speed sprayer is used to spray paint on the wall.
   喷速器用于在墙上喷涂油漆。
2. 2. The speed sprayer is very useful for painting large areas quickly.
   喷速器对于快速涂大面积非常有用。
3. 3. The speed sprayer can be used by professionals to ensure a smooth finish.
   喷速器由专业人士使用，以确保平滑的完成效果。