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[单选题]
根据《普速铁路接触网运行维修规则》(铁总运[2017]9号)规定,防风拉线固定环面向下锚侧安装,距定位器端头水平距离为,允许误差。防风拉线长环在定位管端,短环在定位器端。长环端回头,短环端回头,防风拉线固定环应位于长环中间位置()
A.600mm,+50~-l00mm,250mm,100mm
B.600mm,-50~+l00mm,250mm,100mm
C.600mm,+50~-l00mm,100mm,250mm
D.600mm,-50~+l00mm,100mm,250mm
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A.600mm,+50~-l00mm,250mm,100mm
B.600mm,-50~+l00mm,250mm,100mm
C.600mm,+50~-l00mm,100mm,250mm
D.600mm,-50~+l00mm,100mm,250mm
第1题
A.100
B.150
C.200
D.250
第3题
A.100
B.200
C.1200
D.1400
第4题
A.10
B.20
C.30
D.50
第9题
A.标准值:设计值
B.标准状态:标准值±20mm
C.警示值:标准值±30mm
D.限界值:标准值±50mm
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