[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fAsu2g8LRnvCjXwnET2hovnsNG5w_eRYUuhFNPLSq9as":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":28,"type":29},[],"2025-11-29 05:08:55",244584966,[8,9,10],"橡胶是绝缘材料","硅是导体","陶瓷不是绝缘材料",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},41,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","bccdc5aefc774ee38c9beb78d2b8b798","任务习题","下列关于绝缘材料的说法中,正确的是()",[20,30,37,44,52,60,66,69,77,85],{"answer":21,"createTime":5,"id":22,"options":23,"question":27,"source":28,"type":29},[],244584960,[24,25,26],"1.5","1","2","导线接头电阻要足够小,与同长度同截面导线的电阻比不大于()","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":36,"source":28,"type":29},[],244584961,[34,25,35],"5","3","导线的中间接头采用铰接时,先在中间互绞() 圈",{"answer":38,"createTime":5,"id":39,"options":40,"question":43,"source":28,"type":29},[],244584962,[25,41,42],"1\u002F2","1\u002F3","导线接头缠绝缘胶布时,后一圈压在前一圈胶布宽度的()",{"answer":45,"createTime":5,"id":46,"options":47,"question":51,"source":28,"type":29},[],244584963,[48,49,50],"95%","80%","90%","导线接头的机械强度不小于原导线机械强度的()",{"answer":53,"createTime":5,"id":54,"options":55,"question":59,"source":28,"type":29},[],244584964,[56,57,58],"拉不断","不会发热","牢固可靠","导线接头要求应接触紧密和()等",{"answer":61,"createTime":5,"id":62,"options":63,"question":65,"source":28,"type":29},[],244584965,[64,26,25],"O","穿管导线内最多允许()个导线接头",{"answer":67,"createTime":5,"id":6,"options":68,"question":18,"source":28,"type":29},[],[8,9,10],{"answer":70,"createTime":5,"id":71,"options":72,"question":76,"source":28,"type":29},[],244584967,[73,74,75],"受热时","受冷时","常温下","热缩管是在()收缩的产品",{"answer":78,"createTime":5,"id":79,"options":80,"question":84,"source":28,"type":29},[],244584968,[81,82,83],"连接器","热缩管","接线端头","可用于保护电线、抵御外部威胁(如磨损等)的是()",{"answer":86,"createTime":5,"id":87,"options":88,"question":92,"source":28,"type":29},[],244584969,[89,90,91],"扎带","缠绕管","绝缘子","()具有耐磨损和抗紫外线保护作用"]