氨合成气 ammonia synthesis gas

合成氨原料气 syngas for synthetic ammonia

氨合成气水吸收法分氨 Ammonia absorption by water vapour

氨合成弛放气 purge gas from ammonia synthesis loop

合成氨循环气 Recycle gas of ammonia synthesis

甲醇和氨用合成气联产 Methanol-and ammonia-syngas co-production