50分度的游标卡尺 其最小读数值为 The minimum reading value of vernier caliper with 50 divis
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50分度的游标卡尺,其最小读数值为 The minimum reading value of vernier caliper with 50 divisions is
A.0.05mm
B.0.02mm
C.0.50mm
D.0.20mm

回答
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0.02mm
