[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fs6gF_eiovXOWhoFVqGYb54s-Wv5vR_9ntjXz_a2rKtQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":28,"type":29},[],"2024-03-16 19:13:20",134289305,[8,9,10],"摩擦力矩","预紧力","摩擦力",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},5,"835b9d7f237e0ec5233cb21888fc1d06","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","机械基础实训","work_33184639","零件手动加工题库3-1","为达到螺纹连接可靠和坚固的目的,要求纹牙间有一定的( )",[20,30,35,43,51],{"answer":21,"createTime":5,"id":22,"options":23,"question":27,"source":28,"type":29},[],134289301,[24,25,26],"立式","台式","摇臂","对小型工件进行钻、扩、铰小孔,最好在( )钻床上进行","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":34,"source":28,"type":29},[],134289302,[25,24,26],"工作台可以升降,主轴变速箱也可升降的钻床是( ) 钻床",{"answer":36,"createTime":5,"id":37,"options":38,"question":42,"source":28,"type":29},[],134289303,[39,40,41],"套筒压入","压力机械压入","直接敲入","当配合过盈量较小时,可采用( )方法压入轴承",{"answer":44,"createTime":5,"id":45,"options":46,"question":50,"source":28,"type":29},[],134289304,[47,48,49],"前角","负后角","横刃斜角","钻头( )为零,靠近切削部分的棱边与孔壁的摩擦比较严重,容易发热和磨损",{"answer":52,"createTime":5,"id":6,"options":53,"question":18,"source":28,"type":29},[],[8,9,10]]