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The invention discloses a primary cooling process for coal gas.
本发明公开了一种煤气初冷工艺。
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Narrow gap welding and its applications in primary cooling systems.
主回路冷却系统的窄间隙焊接及其应用。
The operating situation in the cross pipe primary cooling process for COG is described.
本文对横管初冷器运行前后硫酸铵产量及系统运行情况进行了分析。
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