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当前学科：高级车辆钳工(货车)考试
题目：
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经旋削的轮对，同一车轮踏面与轴颈面的距离在同一直径线上测量的两点相差不大于（）。
A . A、0.6mm
B . B、Imm
C . C、1.6mm
D . D、2mm
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