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程度与焊接的系。
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程度与焊接的系。
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