單項(xiàng)選擇題
A.2mm B.3mm C.4mm D.5mm
A.10號(hào) B.15號(hào) C.18號(hào) D.20號(hào)
A.1mm B.2mm C.3mm D.4mm
A.0.5mm B.1mm C.1.5mm D.2mm
A.2N·m B.3N·m C.4N·m D.5N·m
A.1.5mm B.1.8mm C.2mm D.2.5mm
A.2mm B.2.5mm C.3mm D.3.5mm
A.1.5mm B.2mm C.2.5mm D.3mm