[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fibZ0WGOB25ivw-o-fEbuQWbLFiknUbvzsdSoFeSpubA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":22,"type":23},[],"2025-05-12 00:13:56",187162176,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},38,"9fff11dd75a499edb0f14a1f188deac8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2745488351d75f3837f5e9b589c8357d.JPG","过程控制与自动化仪表","work_40236984","6 焊接章节作业","正逻辑的高电平用"0"表示",[19,24,29,39,49,58,64,69,74,79],{"answer":20,"createTime":5,"id":6,"options":21,"question":17,"source":22,"type":23},[],[8,9],"v1",3,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],187162177,[8,9],"负逻辑的高电平用"0"表示",{"answer":30,"createTime":31,"id":32,"options":33,"question":37,"source":22,"type":38},[],"2025-12-24 16:53:57",251378572,[34,35,36],"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":40,"createTime":41,"id":42,"options":43,"question":48,"source":22,"type":38},[],"2025-12-23 07:38:41",251378573,[44,45,46,47],"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":50,"createTime":31,"id":51,"options":52,"question":57,"source":22,"type":38},[],251378574,[53,54,55,56],"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":59,"createTime":60,"id":61,"options":62,"question":63,"source":22,"type":23},[],"2025-12-05 10:44:06",251378575,[8,9],"电焊条由焊芯和药皮两部分组成",{"answer":65,"createTime":60,"id":66,"options":67,"question":68,"source":22,"type":23},[],251378576,[8,9],"低碳钢和低合金结构钢是焊接结构的主要材料",{"answer":70,"createTime":60,"id":71,"options":72,"question":73,"source":22,"type":23},[],251378577,[8,9],"焊接时冷却速度越快越好",{"answer":75,"createTime":60,"id":76,"options":77,"question":78,"source":22,"type":23},[],251378579,[8,9],"焊接电弧是由焊条的燃烧而产生",{"answer":80,"createTime":60,"id":81,"options":82,"question":83,"source":22,"type":23},[],251378581,[8,9],"气焊时被焊工件越薄,工件变形越大"]