[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f47lWYY6douYHZ4x52SSpAiRdATIz2inImkjHTwOW100":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-04-17 22:05:36",137145950,[8,9,10,11],"化学能","机械能","光热能","电热能",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","work_33406096","11 特种加工章节作业","激光加工所用的能量是()",[21,32,42,51,60,70,79,89,99,108],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],137143078,[25,26,27,28],"工件接负极、电极接负极","工件接负极、电极接正极","工件接正极、电极接正极","工件接正极、电极接负极","&quot;正极性&quot;加工指的是()","v1",0,{"answer":33,"createTime":34,"id":35,"options":36,"question":41,"source":30,"type":31},[],"2024-04-14 15:30:36",137143079,[37,38,39,40],"斜面","其他","曲面","平面","激光切割的切断面是()",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":30,"type":31},[],137143081,[46,47,48,49],"硬度大","导热性好","熔点高","导电性好","对工具电极材料的要求,下列说法不正确的是()",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":30,"type":31},[],137143083,[55,56,57,58],"不封闭曲线","无断点、自交点、锯齿的光滑曲线","其他曲线","一条封闭曲线","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()",{"answer":61,"createTime":62,"id":63,"options":64,"question":69,"source":30,"type":31},[],"2024-04-07 12:30:50",137143085,[65,66,67,68],"脉冲电源","成型电极","数控系统","绝缘介质","在下列选项中选出不属于电火花线切割加工所需的条件()",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],137143086,[74,75,76,77],"当机床电器发生火灾时,可以用水对其进行灭火","当机床电器发生火灾时,应用四氯化碳灭火器灭火","由于线切割机床在加工过程中的放电电压不高,所以加工中可以用手接触工件或机床工作台","线切割机床在加工过程中产生的气体对操作者的健康没有影响","有关线切割机床安全操作方面,下列说法正确的是()",{"answer":80,"createTime":81,"id":82,"options":83,"question":88,"source":30,"type":31},[],"2024-04-14 15:30:31",137143087,[84,85,86,87],"显微裂纹","熔化凝固层","热影响层","电镀层","碳钢用电火花成形加工后,表面的&quot;白亮层&quot;是()",{"answer":90,"createTime":91,"id":92,"options":93,"question":98,"source":30,"type":31},[],"2024-04-14 15:30:32",137143088,[94,95,96,97],"接触式加工","冷加工","增材制造","非接触式加工","电火花加工属于()",{"answer":100,"createTime":62,"id":101,"options":102,"question":107,"source":30,"type":31},[],137145949,[103,104,105,106],"塑料模中的型腔","成形刀、样板","阶梯孔、阶梯轴","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()",{"answer":109,"createTime":5,"id":6,"options":110,"question":19,"source":30,"type":31},[],[8,9,10,11]]