床身刮研时,刮平导轨Ao以A1导轨为基准测量两导轨的扭曲度,在专用桥板上放水平仪,要求(),直线只许中凸,要求直线度0.005mm/1000mm,0.01mm/全长。
A:0.002mm/1000mm,0.01mm/全长
B:0.003mm/1000mm,0.015mm/全长
C:0.005mm/1000mm,0.01mm/全长
D:0.004mm/1000mm,0.02mm/全长
出自:机修钳工