Technical measures for increasing heat efficiency of heaters were introduced.

介绍为提高加热炉热效率所采取的技术措施。

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Technical measures for increasing heat efficiency and processing capacity of cracking furnace were introduced.

介绍了提高裂解炉热效率和加工能力所采取的技术措施。

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Technical measures for increasing heat efficiency and processing capacity of cracking furnace were introduced.

介绍了提高裂解炉热效率和加工能力所采取的技术措施。

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