题目内容
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[主观题]
《普速铁路线路修理规则》规定,道岔直向允许通过速度υmax≤120km/h时,护轨侧面磨耗轻伤标准为()。
A.8mm
B.10mm
C.12mm
D.14mm
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A.8mm
B.10mm
C.12mm
D.14mm
A.1391mm
B.1390mm
C.1389mm
D.1388mm
A.142mm或160mm
B.160mm或180mm
C.152mm或180mm
D.142mm或152mm
A.1mm
B.2mm
C.3mm
D.4mm
A.1100MPa
B.1180MPa
C.1200MPa
D.1280MPa
A.9mm,11mm
B.12mm,15mm
C.12mm,14mm
D.11mm,15mm