表面质量系数的英文

• superficial ma factor
• superficial mass factor

• 系数:    coefficient; ratio; modulus; ...
• 表面质量:    surface integrity; surface quality
• 表面质量测定:    surface quality measurement
• 表面质量速度:    superficial mass velocity
• 虚质量系数:    virtual mass coefficient

例句与用法

1. 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。