单项选择题X 纠错
A.1mm B.2mm C.3mm D.4mm
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单项选择题
A.1755mm B.1762mm C.1775mm D.1780mm
A.3~8mm B.1~3mm C.4~9mm D.5~9mm
A.5mm B.10mm C.15mm D.20mm
A.50±20 B.30±10 C.40±15 D.45±20
A.9mm B.8mm C.10mm D.12mm
A.600mm B.700mm C.800mm D.900mm
A.1mm B.1.5mm C.2mm D.3mm
A.30mm B.31mm C.32mm D.35mm
A.2mm B.3mm C.4mm D.5mm
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