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[单选题]
-J-001 3 2 3允许速度Vmax≤120km/h正线地段,轨距Ⅱ级容许偏差管理值为()
A.+12mm,-8mm
B.+10mm,-7mm
C.+8mm,-6mm
D.+8mm,-4mm
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A、+12mm,-8mm
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.+12mm,-8mm
B.+10mm,-7mm
C.+8mm,-6mm
D.+8mm,-4mm
A、+12mm,-8mm
A.5
B.7
C.8
D.3
A.4
B.6
C.8
D.3
A.0.10
B.0.15
C.0.2
D.0
A.2 mm
B.4 mm
C.6 mm
D.8 mm