單項(xiàng)選擇題
A.3mmB.4mmC.5mmD.6mm
A.1B.2C.4D.8
A.8%B.6%C.4%D.12%
A.80km/hB.100km/hC.120km/hD.160km/h
A.0.5mmB.1.0mmC.1.5mmD.2.0mm
A.1B.2C.4D.16
A.4mmB.6mmC.8mmD.10mm
A.+4mm,-2mmB.±2mmC.5mmD.+6mm,-4mm
A.4mmB.6mmC.5mmD.8mm
A.+4mm,-3mmB.±2mmC.5mmD.+6mm,-4mm