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.
研究结果表明：在高温条件下，固体碳气化脱磷反应的主要还原产物是P_2气体。
The main deoxidized product of the dephophorus reaction with solid carbon is gas P_2in high temperature.
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.
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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