[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEC2dCS7be4hmHZnu21MZrM0vFKlBsM3OM2JG_DuHRec":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":105},[],"2023-10-18 20:09:42",100542227,[8,9,10,11],"螺纹的线数","螺距和导程","螺纹的旋向","螺纹的长度",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},19,"12c90c123ce3b3f31eb45b7217222443","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd472c0dc2c407585f1db79163a39e612.png","数控车削编程与加工","bc37b4f2643d4314bc680cc0acc5be50","项目九章节测验","内外螺纹旋合的基本条件是:螺纹的牙型、螺纹的大径、小径和中径以及( )完全相同的内、外螺纹才能旋合在一起",[21,32,41,50,59,68,77,86,95,102],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],100542217,[25,26,27,28],"等螺距圆锥螺纹","等螺距端面螺纹","等螺距多线圆柱螺纹","变螺距圆柱螺纹","G32指令不能加工的螺纹是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],100542218,[36,37,38,39],"内外螺纹加工指令","模态指令","单一固定循环指令","不能用于加工左旋螺纹","关于FANUC系统车床中的指令G92,下列描述不正确的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],100542220,[45,46,47,48],"G96","G97","M05","M30","螺纹加工时,主轴必须在( )指令下进行",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],100542221,[54,55,56,57],"低于","等于","高于","都可以","安装螺纹车刀是,刀尖应( )工件中心",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],100542222,[63,64,65,66],"粗牙左旋螺纹,螺距为1.5mm","细牙左旋螺纹,螺距为1.5mm","粗牙右旋螺纹,螺距为1.5mm","细牙右旋螺纹,螺距为1.5mm","螺纹标记为 M20X1.5 LH 的螺纹,表示该螺纹为( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],100542223,[72,73,74,75],"30","27","33","26.1","车削M30X3 的内螺纹(材料为45钢),根据经验公式,底孔直径加工至 ( )mm 较为合适",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],100542224,[81,82,83,84],"大径","小径","中经","外螺纹","在M20-6H\u002F6g中,6H表示内螺纹公差带代号,6g表示( )公差带代号",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],100542225,[90,91,92,93],"塞规和环规","螺纹千分尺","螺纹牙规","三针测量法","一般精度的标准螺纹,用螺纹( )测量",{"answer":96,"createTime":5,"id":97,"options":98,"question":101,"source":30,"type":31},[],100542226,[99,100,91,93],"螺纹塞规","螺纹环规","精度要求高的螺纹,一般用( )测量",{"answer":103,"createTime":5,"id":6,"options":104,"question":19,"source":30,"type":105},[],[8,9,10,11],1]