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单项选择题床身刮研时,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

  • C
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