[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fzhntENiB1YsjZvgECTVhlDaZFBFvR8HoqlQN0ECZuKY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2025-12-23 06:35:03",276184940,[8,9,10,11],"成形刀、样板","阶梯孔、阶梯轴","塑料模中的型腔","任何硬度、高熔点包括经热处理的可导电的金属材料",{"courseId":13,"courseImg":14,"courseName":15},"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","电火花线切割加工的对象有()",[18,30,39,47,52,57,67,76,81,86],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2025-12-20 01:59:13",274822527,[23,24,25,26],"一条封闭曲线","其他曲线","无断点、自交点、锯齿的光滑曲线","不封闭曲线","二维创新设计制作中,二维图形矢量化后要进行必要的编辑,是为了使图形成为()","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],274822528,[34,35,36,37],"工件接正极、电极接正极","工件接负极、电极接负极","工件接正极、电极接负极","工件接负极、电极接正极",""正极性"加工指的是()",{"answer":40,"createTime":20,"id":41,"options":42,"question":45,"source":28,"type":46},[],274822529,[43,44],"正确","错误","电火花成形加工中,可以用煤油作为工作液.( )",3,{"answer":48,"createTime":20,"id":49,"options":50,"question":51,"source":28,"type":46},[],274822530,[43,44],"电火花成形加工使用的电流为脉冲电流.()",{"answer":53,"createTime":20,"id":54,"options":55,"question":56,"source":28,"type":46},[],274822531,[43,44],"线切割加工只能加工导电材料.()",{"answer":58,"createTime":59,"id":60,"options":61,"question":66,"source":28,"type":29},[],"2025-12-20 08:27:32",275182260,[62,63,64,65],"化学能","光热能","机械能","电热能","激光加工所用的能量是()",{"answer":68,"createTime":59,"id":69,"options":70,"question":75,"source":28,"type":29},[],275182261,[71,72,73,74],"冷却","绝缘","排屑","导电","下列不是线切割工作液作用的是()",{"answer":77,"createTime":59,"id":78,"options":79,"question":80,"source":28,"type":46},[],275182262,[43,44],"在电火花成型机床用成型电极加工孔时,电极不被腐蚀.( )",{"answer":82,"createTime":59,"id":83,"options":84,"question":85,"source":28,"type":46},[],275182263,[43,44],"线切割加工时一般选择皂化液作为工作液.()",{"answer":87,"createTime":5,"id":6,"options":88,"question":16,"source":28,"type":29},[],[8,9,10,11]]