[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fFrarbHP22eAJWFPefZZDYFUA1xbhb9v7D-0V65qElmk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":20,"type":21},[],"2025-12-08 18:27:43",256032966,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},499,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46129118","电力机车副司机3","SS7D机车调速手柄离开零位,如果控制逻辑条件满足的话,则( )得电闭合",[17,22,27,32,37,42,47,52,57,62],{"answer":18,"createTime":5,"id":6,"options":19,"question":15,"source":20,"type":21},[],[],"v1",8,{"answer":23,"createTime":5,"id":24,"options":25,"question":26,"source":20,"type":21},[],256032967,[],"HXD1型机车的两个辅助逆变器一个工作在变频变压模式,一个工作在( )模式",{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":20,"type":21},[],256032968,[],"HXD3机车司机室钢结构采用传统的"板、梁组合"结构,外形采用小流线型;( )采用框架式",{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":20,"type":21},[],256032969,[],"HXD1电力机车轴箱采用的是整体式圆锥滚动轴承,可实现( )万公里免维护",{"answer":38,"createTime":5,"id":39,"options":40,"question":41,"source":20,"type":21},[],256032970,[],"HXD1电力机车在再生制动工况时,通过中间直流回路进行( )变换,将电能回馈给电网",{"answer":43,"createTime":5,"id":44,"options":45,"question":46,"source":20,"type":21},[],256032971,[],"SS7D机车在每个转向架设置( ),实现机车高速运行稳定性能",{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":20,"type":21},[],256032972,[],"SS7D机车是通过改变( )电流方向,来改变牵引电动机转向",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":20,"type":21},[],256032973,[],"HXD1型机车真空主断路器采用的是( )控制",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":20,"type":21},[],256032974,[],"HXD3D型机车的传动方式单侧斜齿轮、双侧( )弹性驱动",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":20,"type":21},[],256032975,[],"HXD3机车司机室钢结构采用传统的"板、梁组合"结构,外形采用小流线型,( )采用有中梁式"]