控制合适的操作条件，在大油气管线进分馏塔入口处增加蒸汽环管，可以有效防止结焦。
Coking at the inlet of large gas line to fractionator has been effectively prevented by setting up steam circle pipes under appropriate operation conditions.
控制合适的操作条件，在大油气管线进分馏塔入口处增加蒸汽环管，可以有效防止结焦。
Coking at the inlet of large gas line to fractionator has been effectively prevented by setting up steam circle pipes under appropriate operation conditions.
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