A.1.414 B.1.15 C.2 D.1.732
A.50mm B.100mm C.150mm D.200mm
A、正负5mm B、正负20mm C、正负10mm D、正负15mm
A.2~5mm B.3~5mm C.5~10mm D.2~4mm
A.集中标注取值优先 B.原位标注取值优先 C.取平均值 D.核定后取值