单项选择题
A.43mm B.44mm C.45mm D.46mm
A.90+10-5mm B.91+10-5mm C.92+10-5mm D.93+10-5mm
A.810mm B.815mm C.820mm D.830mm
A.3~11mm B.3~12mm C.3~13mm D.2~10mm
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