[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fDZXC5bnVK-twZAjEs01Oh8kn2N1Pzak5TMWJdkjmidQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":25,"type":26},[],"2025-12-05 10:44:06",251378579,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},38,"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","work_40236984","6 焊接章节作业","焊接电弧是由焊条的燃烧而产生",[19,27,32,42,52,61,66,71,76,79],{"answer":20,"createTime":21,"id":22,"options":23,"question":24,"source":25,"type":26},[],"2025-05-12 00:13:56",187162176,[8,9],"正逻辑的高电平用"0"表示","v1",3,{"answer":28,"createTime":21,"id":29,"options":30,"question":31,"source":25,"type":26},[],187162177,[8,9],"负逻辑的高电平用"0"表示",{"answer":33,"createTime":34,"id":35,"options":36,"question":40,"source":25,"type":41},[],"2025-12-24 16:53:57",251378572,[37,38,39],"用直流弧焊发电机焊接","钢板预热","大于6mm的钢板开坡口","为了使厚板焊透,应该使()",0,{"answer":43,"createTime":44,"id":45,"options":46,"question":51,"source":25,"type":41},[],"2025-12-23 07:38:41",251378573,[47,48,49,50],"弯曲变形","扭曲变形","角度变形","波浪变形","焊缝截面上下的大小不一致相差大,造成收缩不均匀,会产生()",{"answer":53,"createTime":34,"id":54,"options":55,"question":60,"source":25,"type":41},[],251378574,[56,57,58,59],"氧化焰","碳化焰","中性焰","不一定","用气焊焊接低碳钢构件时,一般采用()",{"answer":62,"createTime":5,"id":63,"options":64,"question":65,"source":25,"type":26},[],251378575,[8,9],"电焊条由焊芯和药皮两部分组成",{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":25,"type":26},[],251378576,[8,9],"低碳钢和低合金结构钢是焊接结构的主要材料",{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":25,"type":26},[],251378577,[8,9],"焊接时冷却速度越快越好",{"answer":77,"createTime":5,"id":6,"options":78,"question":17,"source":25,"type":26},[],[8,9],{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":25,"type":26},[],251378581,[8,9],"气焊时被焊工件越薄,工件变形越大"]