单项选择题
A.±1mm B.±2mm C.±3mm D.±4mm
A.60573 B.31729 C.16853 D.13839
A.157200 B.136926 C.69000 D.36815
A.0~5㎜ B.10~16㎜ C.8~10mm D.5~8㎜
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