A.L／1000，且不大于5mm B.L／1000，且不大于10mm C.L／1000，且不大于15mm D.L／1000，且不大于20mm
A.±5mm B.±10mm C.±15mm D.±20mm
A.75% B.80% C.90% D.95%
A.80% B.85% C.90% D.95%
A.5% B.10% C.15% D.20%
