In order to remove 3 micron and smaller particles, WSI has developed a unique dual ultrasonicnozzle system for the ultra Cleaner.
为了消除3微米以及更小的粒子，WSI为超声波清洁器开发了独特的双工位超声波喷嘴系统。
2
The spraying nozzle of controllable type is applied in gas atomization to realize ultrasonic atomization and ensuring particles finely granulated.
在气体雾化过程中，采用限制式喷嘴以实现超音速气流雾化，能有效细化粉末颗粒。
3
The paper introduced briefly produce quality control in pressure vessel′s shell and manhole nozzle welding, how avoided crack and found defect by ultrasonic testing after welding.