当发现接触网断线时,非检修人员距已断导线不应少于()。(C、4、Y)[05-00-05-03][030104] ["5m","10m","15m","20m"]
在接触网附近灭火时,水流与带电部分的距离应在()。(C、3、Y)[05-00-05-03][030104] ["1m","2m","5m","10m"]
用水或一般灭火器浇灭离接触网带电部分不足()的燃着物体时,接触网必须停电。(C、3、Y)[05-00-05-03][030104] ["4m","5m","6m","7m"]
英译中:Direct store delivery
军用备用车、专用货车备用车和港口、国境站备用车须备满(),才能解除备用。(C、3、Y)[05-00-03-01][030101] ["12h","24h","36h","48h"]
英译中:Double pallets handling