The passage unit comprises a nozzle and a pressure chamber communicating with the nozzle.
通道单元包括喷嘴和与该喷嘴连通的压力腔室。
2
The micro-plasma spraying gun adopted unique passage and spraying nozzle structure and center axial to be sent the powder method.
设计的微弧等离子喷枪采用了独特的气路结构、喷嘴结构和中心轴向送粉方式；
3
Calculations are performed for various ammonia decomposition rates and various nozzle expand ratio, and the selection of heat power and passage length are investigated also.