[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fW42uxmefCJPfSkE2mytrWVPNEi67ABVTH1oN5UzptKM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":65},[],"2023-05-07 20:48:04",84896069,[8,9,10,11],"巴氏合金","铜铅合金","低锡铝合金","高锡铝合金",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008714","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F94c8cd251a63a85fd6b25c56776fbcfb.png","工程材料（山东理工大学）","29637733","第九章单元测试","()的组织是软的基体组织上分布着硬质点",[20,29,34,39,49,58,66,75,78,85],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],84895882,[24,25],"对","错","工业纯铝因表面形成一层致密的氧化铝薄膜,有效阻隔铝与氧的接触,具有良好的抗大气腐蚀性能","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],84895884,[24,25],"钛存在同素异构转变,高温密排六方结构,低温体心立方结构",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":27,"type":28},[],84895886,[24,25],"特殊黄铜是不含锌元素的黄铜",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":27,"type":48},[],84896064,[43,44,45,46],"黄铜","青铜","白铜","紫铜","下列属于铜合金的有()",1,{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":27,"type":48},[],84896065,[53,54,55,56],"钢及合金","铝合金","镁合金","钛合金","下列属于有色金属的是()",{"answer":59,"createTime":5,"id":60,"options":61,"question":64,"source":27,"type":65},[],84896067,[9,62,44,63],"锡基轴承合金","铅基轴承合金","下列轴承合金中属于巴氏合金的是()",0,{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":27,"type":65},[],84896068,[70,71,72,73],"淬火+时效","退火","冷变形","回火","超硬铝合金只有通过()处理才能获得高的强度及硬度",{"answer":76,"createTime":5,"id":6,"options":77,"question":18,"source":27,"type":65},[],[8,9,10,11],{"answer":79,"createTime":5,"id":80,"options":81,"question":84,"source":27,"type":65},[],84896070,[43,82,83,46],"锡青铜","铝青铜","我国古代遗留下来的文物如铜镜、铜钟等物料间是人类最早应用的()合金制造的",{"answer":86,"createTime":5,"id":87,"options":88,"question":90,"source":27,"type":65},[],84896071,[54,55,89,56],"铜合金","下列哪种合金的比强度最高()"]