manual pneumatic sprayer

例句：

1. 1. The manual pneumatic sprayer is a great tool for painting outdoor walls.
   手动气动喷枪是户外墙面涂漆的好工具。
2. 2. The manual pneumatic sprayer was used to clean the windows in the factory.
   手动气动喷枪被用来清洗工厂的窗户。
3. 3.The manual pneumatic sprayer is easy to use and can be used by anyone who knows how to operate it.
   手动气动喷枪易于使用，任何知道如何操作它的人都可以使用。