表面质量系数 meaning in English
superficial ma factor
superficial mass factor
Examples
- Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration , size and surface quality
综合考虑了接触线应力集中系数、尺寸系数、表面质量系数和材料疲劳强度的影响，得到了接触线疲劳极限的统计特征。