[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPgGrfNAZnu2dcJcWaddw-lAT2NWWsrFpg_I4WePc-bs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":26,"type":43},[],"2025-12-20 08:27:32",275182262,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","在电火花成型机床用成型电极加工孔时,电极不被腐蚀.( )",[16,28,38,44,49,54,63,72,75,80],{"answer":17,"createTime":18,"id":19,"options":20,"question":25,"source":26,"type":27},[],"2025-12-20 01:59:13",274822527,[21,22,23,24],"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":29,"createTime":30,"id":31,"options":32,"question":37,"source":26,"type":27},[],"2025-12-23 06:35:03",274822528,[33,34,35,36],"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","&quot;正极性&quot;加工指的是()",{"answer":39,"createTime":18,"id":40,"options":41,"question":42,"source":26,"type":43},[],274822529,[8,9],"电火花成形加工中,可以用煤油作为工作液.( )",3,{"answer":45,"createTime":18,"id":46,"options":47,"question":48,"source":26,"type":43},[],274822530,[8,9],"电火花成形加工使用的电流为脉冲电流.()",{"answer":50,"createTime":18,"id":51,"options":52,"question":53,"source":26,"type":43},[],274822531,[8,9],"线切割加工只能加工导电材料.()",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":26,"type":27},[],275182260,[58,59,60,61],"化学能","光热能","机械能","电热能","激光加工所用的能量是()",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":26,"type":27},[],275182261,[67,68,69,70],"冷却","绝缘","排屑","导电","下列不是线切割工作液作用的是()",{"answer":73,"createTime":5,"id":6,"options":74,"question":14,"source":26,"type":43},[],[8,9],{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":26,"type":43},[],275182263,[8,9],"线切割加工时一般选择皂化液作为工作液.()",{"answer":81,"createTime":30,"id":82,"options":83,"question":88,"source":26,"type":27},[],276184940,[84,85,86,87],"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","电火花线切割加工的对象有()"]