A.60~100 B.80~100 C.60~150 D.80~150
A.0.5‰ B.2‰ C.4‰ D.1‰
A.0.1mm B.0.2mm C.1mm D.2mm
A.0~(﹢0.2) B.0~(﹢0.3) C.±0.2 D.±0.3
A.50 B.100 C.150 D.200