The nozzle was entirely blackened, with the hottest region being where the throat meets the divergent section .
喷嘴是完全发黑的,与最热门的地区正在那里喉咙会见不同的区段。
2
There are particles on whole cross section of nozzledivergent section and this fact shows that there is no"no particles zone"in nozzledivergent section.
喷管扩张段整个截面上都有粒子分布, 说明喷管扩张段中不存在“无粒子区”;
3
The cutting nozzle and divergent cutting nozzle produced by using said method are low in cost, high in efficiency and good in quality.