paint spraying apparatus

例句：

1. 1. The painter used a paintspraying apparatus to apply thepaint evenly on the wall.
   画家使用喷漆设备将油漆均匀地涂在墙上。
2. 2.The construction workers used a paint sprayingapparatus to coat the metal beams with paint.
   建筑工人使用喷漆设备给金属梁涂上油漆。
3. 3. The engineer testedthe paint spraying apparatus beforeinstalling it in the factory.
   工程师在工厂安装喷漆设备之前进行了测试。