A.15mm;20mm B.15mm;25mm C.10mm;20mm D.10mm;15mm
A.優(yōu)良 B.優(yōu) C.合格 D.失格
A.6m;4m;160km/h B.6.5m;4.5m;120km/h C.6m;4.5m;160km/h D.6m;4.5m;120km/h