[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fRZ2MsD079svKet8azvCMYJTUYHEoBWu4mWrF4806_Mo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-04-10 10:22:48",336814368,[8,9,10,11],"FU","FR","KT","SB",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","熔断器的文字符号是( )",[18,29,38,45,52,61,70,76,84,87],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],336814360,[22,23,24,25],"刀开关","继电器","按钮","热继电器","下列属于低压配电电器的是( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],336814361,[33,34,35,36],"过载","短路","失压","欠压","熔断器在电路中主要起( )保护",{"answer":39,"createTime":5,"id":40,"options":41,"question":44,"source":27,"type":28},[],336814362,[8,42,43,9],"QS","KM","交流接触器的文字符号是( )",{"answer":46,"createTime":5,"id":47,"options":48,"question":51,"source":27,"type":28},[],336814363,[33,34,49,50],"过压","失磁","热继电器主要用于电动机的( )保护",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":27,"type":28},[],336814364,[56,57,58,59],"执行电器","主令电器","保护电器","配电电器","按钮在控制电路中属于( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":27,"type":28},[],336814365,[65,66,67,68],"12V","220V","1000V","380V","低压电器一般工作在( )及以下",{"answer":71,"createTime":5,"id":72,"options":73,"question":75,"source":27,"type":28},[],336814366,[33,34,36,74],"相序","自动空气开关(断路器)不能实现的保护是( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":83,"source":27,"type":28},[],336814367,[22,80,81,82],"接触器","熔断器","限位开关","用来频繁接通和断开主电路的电器是( )",{"answer":85,"createTime":5,"id":6,"options":86,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":88,"createTime":5,"id":89,"options":90,"question":91,"source":27,"type":28},[],336814369,[43,11,9,42],"热继电器的文字符号是( )"]