[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjzAlA5iKj4nvXiRp5EMFMaKWFA4tFg6KmS69weTp3VI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-01-07 11:05:04",305561022,[8,9,10,11],"90","120","180","240",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","接触网"天窗"作业时间规定:双线不应少于( )min",[18,23,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],305561023,[27,28,29,30],"提高机械强度","减少泄漏电流","防止污闪","美化外观","绝缘子防污闪措施中,增大爬电距离的主要目的是( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],305561024,[36,37,38,39],"停电更换绝缘子","带电水冲洗绝缘子","测量支柱接地电阻","调整接触线高度","下列属于接触网"远离带电体作业"的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],305561025,[45,46,47,48],"3","5","8","10","车梯工作台面上有人时,推动车梯的速度不得超过( )km\u002Fh",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],305561026,[54,55,56,57],"6°~10°","8°","4°~15°","6°~13°","接触网定位器坡度标准状态为( ).​",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],305561027,[63,64,65,66],"水平","铅垂","倾斜30°","倾斜45°","接触网吊弦线夹在直线处应保持( )状态.​",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],305561028,[72,73,74,75],"1人即可","不少于2人,其中1人安全等级不低于3级","必须携带工具","只能在白天进行","接触网"步行巡视"的要求是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],305561029,[81,82,83,84],"先通后复","先修后通","等待配件","停止行车","接触网"事故抢修"的原则是( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],305561030,[90,91,92,93],"100","200","300","400","接触网补偿装置a值、b值的警示值为标准值±( )mm.​",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":21,"type":22},[],305561031,[99,100,101,102],"2000","2500","3000","3500","附加导线跨越铁路时,对承力索的最小距离为( )mm"]