單項選擇題
A.二次B.三次C.四次D.五次
A.1:2B.1:3C.1:4D.1:4.5
A.±1mmB.±2mmC.±3mmD.±3.5mm
A.50~60mmB.40~50mmC.30~40mmD.25~35mm
A.5B.6C.8D.10
A.0.5mmB.1mmC.1.5mmD.2mm
A.1mmB.2mmC.3mmD.4mm
A.2%~5%B.3%~7%C.4%~8%D.5%~10%
A.10mmB.9mmC.8mmD.7mm
A.5~10mmB.4~8mmC.3~7mmD.3~6mm
A.3~5mmB.3~6mmC.4~7mmD.5~8mm