[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f--PacLim00-XkcGcyqhjxZPlZsOCA5KmyNOadb8bdIY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":51},[],"2023-05-07 23:52:09",967186359,[8,9,10,11],"轧制","冲压","模锻","自由锻",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000060618","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff5fc9a1fc222b1e1e78f78913476f860.png","制造工程认知实践","55042213","制造工程认知实践教程考试","下列工艺方法是机械制造工业中生产零件及其毛坯的二次塑性加工方法的有( )",[20,29,39,44,52,55,60,65,70,79],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],967186355,[24,25],"对","错","有形物资产品和无形软件(如:软件和知识产权)都属于制造的范畴. ( )","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":38},[],967186356,[33,34,35,36],"压力铸造","熔模铸造","离心铸造","低压铸造","将液态金属在压力作用下由下而上压入铸型型腔,并在压力作用下凝固获得铸件的铸造方法( )",0,{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":27,"type":38},[],967186357,[33,34,35,36],"铸造是将熔融或半熔融金属以高速压射入铸型型腔,并在压力下结晶的生产方法( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":50,"source":27,"type":51},[],967186358,[8,9,48,49],"拉拔","挤压","下列工艺方法是冶金工业中生产板材、型材、管材、线材的一次塑性加工方法的有( )",1,{"answer":53,"createTime":5,"id":6,"options":54,"question":18,"source":27,"type":51},[],[8,9,10,11],{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":27,"type":28},[],967186360,[24,25],"拉拔常用来生产线材、型材管材等. ( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":27,"type":28},[],967186361,[24,25],"塑性成形时,由于金属是在固态下成型,故制造的零件不能太复杂. ( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":69,"source":27,"type":28},[],967186363,[24,25],"摩擦焊为压焊中的一种. ( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":27,"type":38},[],967186367,[74,75,76,77],"高、低、大","高、高、大","低、高、大","高、低、小","精加工阶段的主要目的是保证加工质量,因此在主轴转速和刀具允许的情况下,首选较__的切削速度,其次选择较__的进给量,最后选择较__的背吃刀量.( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":27,"type":28},[],967186371,[24,25],"在切削运动中,进给量是指主运动在单位时间内,刀具与零件在进给方向上的相对位移量.( )"]