through-nozzle gas injection 通过喷嘴气体注射：一种气体辅助注射成型技术，气体的注入是通过一种特殊的连接到机筒上的喷嘴实现的。 tool 工具，模具：见模具。
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through-nozzle gas injection 通过喷嘴气体注射
The effects of nozzle structure, fuel gas injection velocity and excess air coefficient on NOx emission in high temperature air combustion were investigated.
通过两种结构烧嘴的热态燃烧试验对比，研究了烧嘴结构、燃气射流速度、过量空气系数对高温空气燃烧过程氮氧化物排放的影响特性。
The numerical simulation also indicated that secondary cold gas injection had very obvious effects on the surface wall about the exit of the nozzle diffuse.
二次冷喷流对喷管扩散段出口附近壁面有非常明显的冷却作用。
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