[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fT_YK6AderaWI7trEG5s2KLTlFzT4cuutFKg_ZA6Dsf4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-12-27 10:29:50",122504698,[8,9,10,11],"熔炼阶段","氧化阶段","还原阶段","出钢阶段",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},45,"cc85639ab4a7642b755abc6b0aa39ee8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5bb872eef1603a536e52f9e5c3ef4a10.png","材料成型原理","e42f379f2d2a4a158e9e761efc383a9f","","液态成形的化学冶金过程主要发生在金属的()",[21,26,35,44,50,59,66,75,84,93],{"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},[],122504703,[30,31,32,33],"焊渣的熔点","造渣温度","焊剂熔点","焊条熔点","焊条药皮开始溶化的温度成为()",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],122504705,[39,40,41,42],"熔渣","焊条","药皮","焊剂","熔渣的黏度、熔点、表面张力可以通过调整()的成分进行调节",{"answer":45,"createTime":5,"id":46,"options":47,"question":49,"source":24,"type":25},[],122504709,[40,41,39,48],"焊接材料","要控制焊缝磷的含量,主要是严格控制()中的磷含量",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":24,"type":25},[],122504713,[54,55,56,57],"减小","长大","不变","不确定","气泡生核后要继续()",{"answer":60,"createTime":5,"id":61,"options":62,"question":65,"source":24,"type":25},[],122504715,[63,39,64,42],"液态金属","液态金属和熔渣","在金属焊接过程中,脱氧处理中的扩散脱氧是在( )界面上进行的",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":24,"type":25},[],122504719,[70,71,72,73],"正确选择合金成分严格控制易氧化元素的含量","采取合理的浇注系统及浇注工艺、严格控制铸型水分","防止铸型内产生氧化气氛","以上都对","防止和减少二次氧化夹杂物的途径有:()",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":24,"type":25},[],122504722,[79,80,81,82],"性质","形状","大小","性能","偏析夹杂物()主要由合金的结晶条件和成分决定",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":24,"type":25},[],122504725,[88,89,90,91],"二次夹杂物","三次夹杂物","四次夹杂物","五次夹杂物","一次夹杂物是在金属熔炼及炉前处理过程中产生的,( )是液态金属在充型和凝固过程中产生的",{"answer":94,"createTime":5,"id":95,"options":96,"question":98,"source":24,"type":25},[],122504731,[97,31,32,33],"熔渣的熔点","固体熔渣开始溶化的温度称之为()"]