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[单选题]
E-H-003 4 2《高速铁路无砟轨道线路维修规则》第5.2.2条规定:钢轨焊缝顶面打磨,用1m直尺测量矢度,作业验收标准为()mm,“+”表示凸出
A.+0.20 -0.2
B.+0.20 0
C.+0.30 -0.2
D.+0.30 0
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B、+0.20 0
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.+0.20 -0.2
B.+0.20 0
C.+0.30 -0.2
D.+0.30 0
B、+0.20 0
A.0.5
B.1
C.1.5
D.2
A.0.5
B.1
C.1.5
D.2
A.10
B.20
C.30
D.50
A.锚固液
B.锚固胶
C.专用油脂
D.胶水
A.1
B.2
C.3
D.4
A.3250
B.3450
C.3750
D.3950
A.-8~+8mm
B.-8~+4mm
C.-8~+6mm
D.-6~+6mm
A.50
B.60
C.70
D.80