單項(xiàng)選擇題床身刮研時,刮平導(dǎo)軌Ao以A1導(dǎo)軌為基準(zhǔn)測量兩導(dǎo)軌的扭曲度,在專用橋板上放水平儀,要求(),直線只許中凸,要求直線度0.005mm/1000mm,0.01mm/全長。

A.0.002mm/1000mm,0.01mm/全長
B.0.003mm/1000mm,0.015mm/全長
C.0.005mm/1000mm,0.01mm/全長
D.0.004mm/1000mm,0.02mm/全長


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