Environmental protection: used imported burning machine to ensure burn completely, no black smoke, less pollution and low noise.
环保：采用进口燃烧机，燃烧彻底，无黑烟，污染小，噪声小。
The causes of black - smoke pollution from coal -burning annealed furnace and the current status of treatment technology are discussed in this paper.
分析了燃煤退火炉黑烟产生的原因和治理现状；
The causes of black - smoke pollution from coal -burning annealed furnace and the current status of treatment technology are discussed in this paper.
分析了燃煤退火炉黑烟产生的原因和治理现状；
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