动检车IV级偏差(含Ⅲ级偏差且车辆动力学指标超限),当Ⅳ级偏差地点在道岔区段时,封锁检查范围为该行该端涉及道岔+前后各( );在站内正线时,封锁检查范围为Ⅳ级偏差前后各( )(涵盖邻近岔区)。
A.100m,100m B.200m,300m C.300m300m D.1km,300m正确答案C
动检车IV级偏差(含Ⅲ级偏差且车辆动力学指标超限),当Ⅳ级偏差地点在道岔区段时,封锁检查范围为该行该端涉及道岔+前后各( );在站内正线时,封锁检查范围为Ⅳ级偏差前后各( )(涵盖邻近岔区)。
A.100m,100m B.200m,300m C.300m300m D.1km,300m正确答案C