1·Centrifugal compressors anti-surge protection systems are based on the surge Limit Line (SSL).
离心式压缩机防喘振保护系统基于喘振界限线(Surge Limit Line，缩写为ssl)。
2·In comparison with the axial turbomachinery, the internal flow in centrifugal compressors is more complex.
与轴流式叶轮机械比较，离心式叶轮机械内部的流动更加复杂，亟待解决的问题也更多。
3·The performance predictions of centrifugal compressors take a very important part in the field of turbomachinery research and application.
离心压缩机性能的预测在其研究和应用领域有着十分重要的作用。
4·Based upon the "rotating stall" theory, a preliminary analysis is made in this paper on the internal mechanism of turbocharger centrifugal compressors.
本文应用“旋转分离”理论对离心压气机喘振的内在机理作了初步分析。同时，还阐述了增压柴油机在工作时引起喘振的外界条件。
5·In this paper, the introduced mapping technology for narrow 3-d impeller of centrifugal compressors has been in further researched and some key points have been discussed.
对引进的离心压缩机窄三元叶轮的测绘技术进行了研究；对技术关键点作了探讨，重点介绍了石膏、石蜡灌模及其处理工艺措施。
6·Furthermore, experiments show that the adoption of double-row cascade diffusers in centrifugal compressors will improve its performance and widen its stable operating range.
此外，通过试验证明：在离心压气机上采用双列叶栅扩压器，可以改善压气机性能，扩大压气机的稳定工作范围。