单项选择题
A.90mm B.100mm C.110mm D.105mm
A.35mm B.36mm C.37mm D.38mm
A.0.1mm~0.2mm B.0.2mm~0.5mm C.0.2mm~0.3mm D.0.2mm~0.4mm
A.≤4mm B.≤5mm C.≤3mm D.≤2mm
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