[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOUxEQOkp3VceAQmOIwGjcFHbkf2PMQkXrhSECEeOt8w":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-03-01 14:47:30",177880615,[8,9,10,11],"灰铸铁","合金钢","低碳钢","高碳钢",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},27,"7aa85f2c240c1331407c271f3863ebaf","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","汽车机械基础","work_40871598","","表现出良好铸造性的金属材料是( )",[21,32,37,46,49,55,60,69,78,86],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],177880609,[25,26,27,28],"导热性","焊接性","抗氧化性","疲劳强度","金属材料的性能是选择材料的主要依据,以下不是金属材料使用性能指标的是( )","v1",1,{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":30,"type":31},[],177880611,[11,10,9,8],"表现出良好锻造性的金属材料是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":30,"type":31},[],177880613,[41,42,43,44],"强度","塑性","硬度","磁性","下列不是金属材料力学性能指标的是( )",{"answer":47,"createTime":5,"id":6,"options":48,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":50,"createTime":51,"id":52,"options":53,"question":54,"source":30,"type":31},[],"2025-03-01 14:47:31",177880616,[11,9,10,8],"表现出良好切削性能的金属材料是( )",{"answer":56,"createTime":51,"id":57,"options":58,"question":59,"source":30,"type":31},[],177880617,[10,11,9,8],"表现出良好焊接性能的金属材料是( )",{"answer":61,"createTime":51,"id":62,"options":63,"question":68,"source":30,"type":31},[],177880618,[64,65,66,67],"弹性变形","塑性变形","屈服阶段","强化阶段","在低碳钢拉伸试验中,应力与应变成正比,该阶段属于( )",{"answer":70,"createTime":51,"id":71,"options":72,"question":77,"source":30,"type":31},[],177880619,[73,74,75,76],"物理性能","化学性能","工艺性能","力学性能","是设计各种工程结构时选用材料的主要依据",{"answer":79,"createTime":51,"id":80,"options":81,"question":85,"source":30,"type":31},[],177880621,[82,83,84],"金属材料在应用时表现出来的特性","金属材料的强度","金属材料在外力作用下所表现出来的特征","金属材料的力学性能是指( )",{"answer":87,"createTime":51,"id":88,"options":89,"question":91,"source":30,"type":31},[],177880623,[41,43,90,28],"冲击韧性","用拉伸试验可测定材料的( )性能指标"]