ObjectiveTo compare the effect of the normal frequency jetventilation with the high frequency jetventilation in suspension laryngoscopy.
比较常频通气与高频通气在支撑喉镜手术前应用效果。
2
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
These tunnels have been equipped with the advanced jet and axial shaft ventilation systems, and alarm and monitoring systems. And also a new light source has been employed.