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[单选题]
-D-I-001 4 2 3《道岔保养质量评定标准》规定:肩宽不足,不饱满,有杂草,每组扣()分
A.2
B.4
C.6
D.8
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、4
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.2
B.4
C.6
D.8
B、4
A.+3、-2mm
B.+4、-2mm
C.+5、-2mm
D.+6、-2mm
A.+3、-3mm
B.+4、-3mm
C.+5、-3mm
D.+6、-3mm
A.1
B.2
C.3
D.4
A.(直线)2mm、(支距)1mm
B.(直线)2mm、(支距)3mm
C.(直线)4mm、(支距)3mm
D.4mm