單項(xiàng)選擇題
A.150mmB.250mmC.350mmD.450mm
A.2100mmB.1100mmC.1300mmD.2300mm
A.6mB.12mC.36mD.42m
A.1.5±0.5B.1.0±0.5C.2.0±0.5D.2.5±0.5
A.1mmB.2mmC.3mmD.4mm
A.100-200mmB.150-250mmC.200-300mmD.350-450mm
A.0.5mmB.1mmC.1.5mmD.2mm
A.5mmB.4mmC.3mmD.2mm
A.300gB.400gC.500gD.700g
A.300mmB.400mmC.500mmD.700mm
A.1520mmB.1720mmC.1920mmD.2120mm