Balance value can ensure smooth movement of arm and security, avoid hopper in a stallcondition.
平衡阀在工作中可以保证摆臂的运动平稳和安全，防止料斗失速。
2
The new phrase being used to describe our economic condition is 'stall speed.'
用来描述我们经济形势的新说法是“失速速度”（stall speed）。
3
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.