[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faahkce7CGNXdSKlJi81vSyhyJ2yk2bHiyAyPk48qpzY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2025-09-09 09:00:35",1073190047,[8,9,10,11],"C面","圆跳动","0.005","圆度",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000072813","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F96f6da5a715b9b810c4f829be2231e56.jpg","[共享课]机械制图","62210714","第十二章单元测试","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc5a32dad55a060ac082557304e44110f.png\">表示公差值为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0a393c9293410d3f301f83c7c64c2b96.png\">",[20,31,37,46,55,64,73,82,85,92],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],1073189953,[24,25,26,27],"3.2","1.6","6.3","12.5","根据下图标注的表面结构符号,可知零件下底面的表面结构Ra值为( )微米.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcb23c049b806f53d2cf017499e9bf12b.png\">","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":36,"source":29,"type":30},[],1073189963,[35,25,24,26],"0.8","在下面表面结构的数值中,对零件表面要求最高的Ra值是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":29,"type":30},[],1073189973,[41,42,43,44],"过盈配合","过渡配合","间隙配合","都不是","图示的孔和轴形成的配合种类是( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6b546c736917358d04271d5de2d5fbbe.png\">",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":29,"type":30},[],1073189984,[50,51,52,53],"直线度","垂直度","同轴度","平面度","图中编号为3的几何公差是( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa1446994e72ee78d7e69119c2896b785.png\">",{"answer":56,"createTime":5,"id":57,"options":58,"question":63,"source":29,"type":30},[],1073189995,[59,60,61,62],"2","3","4","5","图中表面粗糙度要求有( )种.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F753e431ec6ba76886f1db5b6b3fca5c2.png\">",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":29,"type":30},[],1073190024,[68,69,70,71],"-0.021","0","7","30","Φ30h7的下极限偏差为 -0.021,其上极限偏差为( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":29,"type":30},[],1073190036,[77,78,79,80],"(1)","(2)","(3)","NONE","选择标注正确的表面结构( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F875aac23f6d908f5f0a3bf18613b6b8e.png\">",{"answer":83,"createTime":5,"id":6,"options":84,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":86,"createTime":5,"id":87,"options":88,"question":91,"source":29,"type":30},[],1073190049,[89,90,43,42],"基孔制","基轴制","Φ40H7\u002Fn6的配合制为( )",{"answer":93,"createTime":5,"id":94,"options":95,"question":98,"source":29,"type":30},[],1073190065,[52,96,51,97],"φ30H7孔的轴线","左端面","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F81c6c0ae640a8a54dbfbe4982ef1b19e.png\">表示公差项目为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F182bb7dfa8f95faeb6068af166b004fd.png\">"]