[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fA29O5hfqLP8WNzVkbEYgHwOCZCkYNb3Z4VEuU762gG4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-06-06 17:55:03",49526184,[8,9,10,11],"显微裂纹","热影响层","电镀层","熔化凝固层",{"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_27576564","11 特种加工章节作业","碳钢用电火花成形加工后,表面的&quot;白亮层&quot;是()",[21,26,35,44,53,62,71,80,90,99],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],49526185,[30,31,32,33],"无断点、自交点、锯齿的光滑曲线","一条封闭曲线","不封闭曲线","其他曲线","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":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],49526186,[39,40,41,42],"阶梯孔、阶梯轴","塑料模中的型腔","成形刀、样板","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":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],49526187,[48,49,50,51],"当机床电器发生火灾时,应用四氯化碳灭火器灭火","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","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","当机床电器发生火灾时,可以用水对其进行灭火","有关线切割机床安全操作方面,下列说法正确的是()",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],49526188,[57,58,59,60],"斜面","平面","曲面","其他","激光切割的切断面是()",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],49526189,[66,67,68,69],"成型电极","数控系统","脉冲电源","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":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],49526190,[75,76,77,78],"熔点高","导热性好","导电性好","硬度大","对工具电极材料的要求,下列说法不正确的是()",{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":24,"type":25},[],"2023-06-08 10:31:00",52672794,[85,86,87,88],"工件接负极、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","工件接正极、电极接正极","&quot;正极性&quot;加工指的是()",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":24,"type":25},[],52672795,[94,95,96,97],"非接触式加工","增材制造","接触式加工","冷加工","电火花加工属于()",{"answer":100,"createTime":82,"id":101,"options":102,"question":107,"source":24,"type":25},[],52672796,[103,104,105,106],"机械能","光热能","电热能","化学能","激光加工所用的能量是()"]