In this paper, the economic profits obtained from the technological modification is given.
介绍了改造后的气提原油稳定轻烃回收技术的作用和效益。
The modification method of complexity, technological support and development level parameter in the 3m is discussed with the modification of development level parameter emphasized on.
讨论了后续测试对3m模型中的复杂性、技术支持和开发水平因子的修正方法，着重论述对开发水平因子的修正。
The present situation and technological progress of toughening modification of PVC are reviewed.
综述了目前国内外聚氯乙烯(PVC)增韧改性的研究状况和技术进展。
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