![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
线岔两工作支中,任一工作支的垂直投影距另一股道线路中心()mm的范围内,不得安装任何线夹。(应知应会-铁总运【2017】9号,第一百一十九条)
A.550-800
B.550-1085
C.600-1050
D.500-1085
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、600-1050
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.550-800
B.550-1085
C.600-1050
D.500-1085
C、600-1050
A.600~1050mm
B.700~1050mm
C.600~1000mm
D.500~1050mm
A.60-100mm
B.80-100mm
C.100-150mm