[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiS8Q3jbRJb0RsmmA7Bzt8q1q12pw2W9KWGuafJHHriU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":15,"related":16,"source":26,"type":27},[],"2026-01-02 08:05:48",1072469207,[8,9,10,11],"频繁通断主回路","频繁通断控制回路","保护主回路","保护控制回路",{"courseImg":13,"courseName":14},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb8227aff60e1eff8bf27adfbcf23db4d.jpeg","[智慧共享课]电气控制与PLC应用","交流接触器的作用是( )",[17,28,37,45,54,63,72,75,80,88],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],1072469105,[21,22,23,24],"自动空气开关","限位开关","万能转换开关","接近开关","()低压断路器又称( )","v2",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],1072469109,[32,33,34,35],"控制行程","控制速度","短路或严重过载","弱磁保护","熔断器的作用是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":43,"source":26,"type":44},[],1072469146,[41,42],"对","错","电桥可以用来测量工作电压( )",3,{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":26,"type":27},[],1072469152,[49,50,51,52],"稍大","相同","较小","其余选项均可","使用剥线钳时应选用比导线直径的刃口( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":26,"type":27},[],1072469162,[58,59,60,61],"采用集中法表示每一电器元件","元件各带电部件可以分开画","标注可以和原理图不一致","其余选项都不对","电器元件的接线图中( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":26,"type":27},[],1072469164,[67,68,69,70],"必须使用国家统一规定的文字符号","可以按照自己的标准","必须使用国际电工组织统一规定的文字符号","都不是","电气原理图中下列说法正确的是( )",{"answer":73,"createTime":5,"id":6,"options":74,"question":15,"source":26,"type":27},[],[8,9,10,11],{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":26,"type":44},[],1072469224,[41,42],"用数字万用表测量直流电压时,极性接反会损坏数字万用表.( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":26,"type":27},[],1072469236,[84,85,86,61],"L1、L2、L3标号","U、V、W标号","a、b、c标号","电源引入线采用( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":92,"source":26,"type":44},[],1072469238,[41,42],"在没有用验电器验电前,线路应视为有电.( )"]