A.+5mm,-3mm B.+5mm,-5mm C.+8mm,+3mm D.+8mm,-5mm
A.裂縫寬度不大于0.25mm B.裂縫寬度不大于0.2mm C.裂縫寬度不大于0.15mm D.裂縫寬度不大于0.1mm
A.15mm B.20mm C.25mm D.30mm