[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8GE598lz-VAybLpoLBZWGL_1NLztT1Vq_39C5WJzCnY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2026-05-27 09:13:59",376792727,[8,9,10,11],"正接","对接","反接","互接",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},34,"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","work_53008789","6 焊接章节作业","采用直流电弧焊时,将正极接在焊条上,负极接在工件上,称为()",[21,26,36,44,54,64,73,83,91,99],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":28,"id":29,"options":30,"question":35,"source":24,"type":25},[],"2026-05-18 23:52:07",376792728,[31,32,33,34],"大于6mm","大于3mm","大于1mm","大于2mm","焊件厚度( )要开坡口",{"answer":37,"createTime":28,"id":38,"options":39,"question":43,"source":24,"type":25},[],376792729,[40,41,42],"预热&mdash;燃烧&mdash;吹渣","燃烧&mdash;吹渣&mdash;预热","预热&mdash;吹渣&mdash;燃烧","切割过程是一个( )的连续过程",{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":24,"type":25},[],"2026-05-23 13:42:47",376792730,[49,50,51,52],"碳化焰","中性焰","氧化焰","其他","用气焊焊接黄铜构件时,一般采用()",{"answer":55,"createTime":56,"id":57,"options":58,"question":63,"source":24,"type":25},[],"2026-05-26 17:29:53",377427672,[59,60,61,62],"交流弧焊","钎焊","氧-乙炔焊","惰性气体保护焊","用10mm厚度的钢板焊接一个压力容器,应选择()",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":24,"type":25},[],377427673,[68,69,70,71],"高","不一定","相等","低","一般气焊火焰的最高温度比电弧焊火焰的最高温度()",{"answer":74,"createTime":75,"id":76,"options":77,"question":82,"source":24,"type":25},[],"2026-05-23 13:18:51",383502597,[78,79,80,81],"薄钢板","厚铝板","都可以","厚钢板","气焊适宜焊接()",{"answer":84,"createTime":75,"id":85,"options":86,"question":90,"source":24,"type":25},[],383502598,[52,87,88,89],"焊接速度","焊接宽度","焊条直径","焊接电流主要取决于()",{"answer":92,"createTime":75,"id":93,"options":94,"question":97,"source":24,"type":98},[],383502599,[95,96],"正确","错误","氩弧焊是一种高质量的焊接,适用于进行各种空间位置的焊接",3,{"answer":100,"createTime":75,"id":101,"options":102,"question":103,"source":24,"type":98},[],383502600,[95,96],"手工电弧焊在短路接触引弧时,因为此时未产生电弧,所以电流等于零"]