[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjBgdU4qSa95z2b-bDX5dYwxMFElLVdNsAoZf_RPZaDM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-11-08 19:28:41",104376366,[8,9,10,11],"9","7","6","5",{"courseId":13,"courseImg":14,"courseName":15},"50a8ac003ac154061c3e42f0a3e480f0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed5e1ec4c4cf4e79f6685c64b7bbbd46.jpg","机械制图","习题集12页第3题截面是几迈形",[18,30,39,46,55,64,72,81,90,93],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-11-08 19:28:40",104376348,[23,24,25,26],"正平","一般位置平","铅垂","侧垂","下列平面属于( )面","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],104376351,[34,35,36,37],"细点画线","粗实线","细实线","波浪线","半剖视图中,视图和剖视的分界线是( )",{"answer":40,"createTime":20,"id":41,"options":42,"question":45,"source":28,"type":29},[],104376353,[43,44],"R8","R10","第3页第5题中R10和R8两段圆弧应先画哪个",{"answer":47,"createTime":20,"id":48,"options":49,"question":54,"source":28,"type":29},[],104376355,[50,51,52,53],"压缩弹簧,拉力弹簧,扭力弹簧","奥氏体弹簧,贝氏体弹簧,屈氏体弹簧","正火弹簧,退火弹簧,淬火弹簧","索氏体弹簧,马氏体弹簧,珠光体弹簧","常见的弹簧有( )",{"answer":56,"createTime":20,"id":57,"options":58,"question":63,"source":28,"type":29},[],104376357,[59,60,61,62],"截交线可见","截交线不可见","截交线位于可见的面上,则截交线可见;否则截交线不可见","截交线的正面投影可见,则其水平投影和侧面投影也不可见","关于截交线的可见性,正确的说法是( )",{"answer":65,"createTime":20,"id":66,"options":67,"question":71,"source":28,"type":29},[],104376359,[68,69,70,10],"12","10","8","习题集12页第2题截面是几边形",{"answer":73,"createTime":20,"id":74,"options":75,"question":80,"source":28,"type":29},[],104376362,[76,77,78,79],"点A的投影","点B的投影","点C的投影","弧线DE的投影","圆锥表面上的点A、B、C及圆弧线DE的投影如图所示,投影有错误的是( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":28,"type":29},[],104376364,[85,86,87,88],"一般位置的平面","正平面","侧垂面","侧平面","已知圆锥被截切后的正面投影和水平投影,则ΔSAB确定的平面是( )",{"answer":91,"createTime":5,"id":6,"options":92,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":94,"createTime":95,"id":96,"options":97,"question":102,"source":28,"type":103},[],"2023-11-08 19:32:36",104378521,[98,99,100,101],"允许在空隙处和其他图线相交","必须超出轮廓线","不允许超出轮廓线","不允许以点收尾","绘制点画线时,下面正确的说法是( )",1]