stall margin meaning in English

失举余量
失速界限

Exploring mechanism of stall margin enhancement of subsonic axial - flow compressor through steady micro tip injection
定常微量喷气提高轴流压气机稳定工作裕度机理探讨
Analysis of the effect on tip flow topologies led to some preliminary conclusions as to the flow physics involved in the stall margin improvements afforded by tip injection
通过详细地分析顶部喷气对压气机顶部区域流场结构的影响，揭示了其扩稳机理。