因此，该工艺技术比气体还原工艺简单得多。
The technology for this process is therefore much more straightforward than that required for the gaseous reduction process.
枪炮二次焰的形成与燃烧产物中还原性气体息息相关。
The formation of secondary muzzle flash is closely related to reducing gases in combustion products.
保护气系统：从保护气体发生站至还原退火炉的管道。
Protective gas system: pipe line from the protective gas generation station to reducing annealing furnace.
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