A.≦±1.0,≦±1.0 B.≦±1.0,≦±1.5 C.≦±1.5,≦±2.0 D.≦±2.0,≦±1.5
A.≦10mm B.≦15mm C.≦20mm D.≦25mm
A.≦1mm B.≦2mm C.≦3mm D.≦4mm