單項(xiàng)選擇題
A.3.2 B.3.4 C.3.6 D.3.8
A.500 B.550 C.600 D.650
A.1 B.2 C.3 D.4
A.5 B.10 C.15 D.20
A.0.5 B.1 C.1.5 D.2
A.0.5mm B.1mm C.1.5mm D.2mm
A.-8―﹢4mm B.-6―﹢4mm C.-10―﹢6mm D.-4―﹢26mm
A.8 B.12 C.16 D.20
A.12 B.16 C.20 D.24
A.1:10 B.1:20 C.1:30 D.1:40
A.24 B.28 C.32 D.36