球批 meaning in English
ball lot
Examples
- Secondly , the steel balls millstone is used to grind steel ball in ones steel ball factory , and process flocculus the steel balls that possess reticulate veins surface . measure the result as follows : ra ( surface roughness of steel ball ) = 0 . 015 u m , wavmess = 0 . 06 um , sph ( deviation from spherical form ) = 0 . 010 u m , vdwl ( variation of ball lot diameter ) = 0 . 015 u m
然后利用制成的钢球研磨板对钢球进行超精磨削加工，加工出了表面具有网状纹理形貌的“绒面”钢球，利用仪器测量钢球表面的粗糙度值达到了0 . 015 m ，表面波纹度值达到了0 . 006 m ，圆度达到了0 . 010 m ，球批直径变动量小于0 . 015 m 。