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1. |
What is the parallelism tolerance of end faces of axes of rollers in sine bar according to British Standards? |
A. | 0.013mm per 50mm |
B. | 0.01mm per 25mm |
C. | 0.013mm per 25mm |
D. | 0.13mm per 25mm |
Answer» D. 0.13mm per 25mm | |