... pyrolysis time ==> 热解时间 pyrolysis unit ==> 热解单元 pyrolysis-mass spectrometry ==> 热解质谱测量 ...
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The pyrolysis light oil is a side-product of the pyrolysis unit in small petrochemical plants.
裂解轻油是小型石化企业的裂解副产物，主要成分为C6～C8芳烃。
By analyzing for the flange leakage on a heavy oil catalytic pyrolysis unit, the writer put forward a treatment method, i. e. to replace old asbestos gasket with a compound corrugated gasket.
通过对重油催化裂化装置中法兰泄漏原因的分析，提出了处理方法：将原石棉密封垫片改为波齿复合密封垫片。
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