题目内容
(请给出正确答案)
[单选题]
200~250km/h线路轨道静态几何尺寸容许偏差管理值:()管理值应当为:轨距偏差值为+1、-1mm;水平为2mm;轨距变化率为1/1500。
A.限速
B.临时补修
C.经常保养
D.作业验收
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A.限速
B.临时补修
C.经常保养
D.作业验收
A.6
B.8
C.4
D.10
A.±2mm
B.5mm
C.+6mm,-4mm
D.+4mm,-2mm
A.3mm
B.9mm
C.10mm
D.5mm
A.1mm
B.2mm
C.3mm
D.4mm
A.2mm
B.4mm
C.6mm
D.8mm
A.9mm,11mm
B.12mm,15mm
C.12mm,14mm
D.11mm,15mm