1. Pyrolysis products from a FB pyrolyzer can be utilized as high quality fuel or chemical feedstocks.
   热解产品（气、液、固）可作为很有价值的工业燃料或原料。
2. The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
   研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。

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