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)。

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The results show that the compressor performance at low speed is effectively improved and the surge limit is expanded with optimization of the stator vane.

研究结果表明：通过静叶优化，有效地改善了压气机的低转速性能，拓宽了稳定工作边界；

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The double limit current circuit and electronic surge force absorbed or isolated circuit are introduced. The problems of electronic surge strike and current stable are solved.

通过双限流电路和浪涌强制吸收或隔离保护电路的设计，解决了大功率半导体激光器驱动电源常见的浪涌冲击和电流恒定的难题。

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The regulators are especially worried about trades used by banks or brokerage firms to move bonds off their balance sheets, which would remove the securities from the scrutiny of regulators who are trying to limit the overall surge in domestic credit.

WSJ: China Probe Focuses on Trading of Bonds

"The majority of senators believe the time is now to start drawing down U.S. forces, not just to pre-surge levels but beyond them, and to limit the mission of those remaining to fight al Qaeda, train Iraqis and help protect the borders, " he said.

CNN: 2008 politics woven through Iraq hearings