[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftssbNkJ9vDDArK3xkx4igTFGA9KQYHvTr73-Tca0VlU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":20,"type":21},[],"2025-12-16 14:39:53",268538028,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},25,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47229680","金属晶体结构","常见的金属晶格类型有____、____、____三种,锌属于____晶格、铬属于____晶格、铜属于 ____晶格",[17,22,27,32,37,42,47,52,57,62],{"answer":18,"createTime":5,"id":6,"options":19,"question":15,"source":20,"type":21},[],[],"v1",2,{"answer":23,"createTime":5,"id":24,"options":25,"question":26,"source":20,"type":21},[],268538029,[],"____和____之差称为过冷度,过冷度的大小与____有关.____越快,金属的实际结晶温度越 ____,过冷度也越大",{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":20,"type":21},[],268538030,[],"金属结晶的过程就是____和____的基本过程",{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":20,"type":21},[],268538031,[],"金属材料的焊接接头包括____区、____区和____区三部分",{"answer":38,"createTime":5,"id":39,"options":40,"question":41,"source":20,"type":21},[],268538032,[],"热影响区按温度的分布可分为 ____区、____区和____区",{"answer":43,"createTime":5,"id":44,"options":45,"question":46,"source":20,"type":21},[],268538033,[],"____是金属结晶的必要条件.纯金属结晶是在____下进行的",{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":20,"type":21},[],268538034,[],"奥氏体在1148℃时碳的质量分数为____,在727℃时碳的质量分数为____",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":20,"type":21},[],268538035,[],"碳的质量分数为____的铁碳合金为共析钢,当其从高温冷却到S点(727℃)时发生____转变,组织为____和____组成的机械混合物,称为____",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":20,"type":21},[],268538036,[],"亚共晶铸铁碳的质量分数为____,室温组织为____",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":20,"type":21},[],268538037,[],"过共析钢碳的质量分数为____,室温组织为____"]