因此，对往复式压缩机系统进行变频技术改造还是比较有意义。
Therefore, the reciprocating compressors system frequency conversion technology reform still have meaning.
本文通过工程改造实例，详细介绍炼铁高炉冲渣水系统变频技术改造的情况。
Combining with the engineering example, the transformation of frequency conversion technology of cooling water for blast furnace slag is introduced in detail.
2013年，开展中电投集团铝业变频技术改造等节能领域合同能源管理项目实施。
In 2013, implemented frequency conversion technology retrofit under Energy Performance Contracting for aluminum fabrication projects of China Power Investment Corporation.
本文简述了变频调速器在原油稳定装置技术改造过程中的应用及其运行情况。
The paner intrdue the application of frequency converter in improving crude oil Stabilization unit and it's operating situation.
本文简要介绍了变频器在聚苯乙烯装置的应用，具体介绍了变频器在聚苯乙烯装置技术改造的作用及其应用效果。
The application of Inverter in polystyrene plant is introduced. The key role and the effect of Inverter in the technical innovation of the polystyrene plant are emphasized.
提出了用变频控制技术改造螺杆挤出机传动系统的必要性，改造方法和效果。
Ih this article, the author points out the necessity, methods and effects of technical reform on transmission system of the extruder with the frequency - varying controlling technics.
应用变频调速技术、自动控制技术改造现有的游梁式抽油机，实现了抽油系统的智能化。
Applying variable frequency technique and automation control technique in intelligent oil pumping system improves the existing pumping unit.
应用变频调速技术、自动控制技术改造现有的游梁式抽油机，实现了抽油系统的智能化。
Applying variable frequency technique and automation control technique in intelligent oil pumping system improves the existing pumping unit.
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