[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fdfVYqQtMYt9R__82TnTpFLAuuzf6fe2f3GKymhbSPPM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-16 21:24:11",268840413,[8,9,10,11],"设计尺寸","最后完工尺寸","加工尺寸","原始尺寸",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","图样中标注的尺寸数值,为该图样所示机件的( )",[18,29,38,47,56,65,74,83,92,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],268840405,[22,23,24,25],"P 上 Q 下,R 左 S 右","P 后 Q 前,R 右 S 左","P 下 Q 上,R 左 S 右","P 前 Q 后,R 右 S 左","根据右下图,P、Q、R、S 四个表面的位置关系中正确的是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b584da88f6fe20787000554a4777391.jpg\">","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],268840406,[33,34,35,36],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb9fa2b02557421e7e27caf20c5f5d409.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb88e833900d094872e5e3f18d5faa71b.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fccea9e737374a5e83b8b76ac374f8b2a.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc548542cf194ef496042e1e8a8392a46.jpg\">","根据主视图和俯视图,选择正确的左视图( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6dfec4609ab404eaf6a87d7da8b872a9.jpg\">",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],268840407,[42,43,44,45],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8475dbdb7c9fa260da8ba6b028c39111.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4afc64a6ee184af1d967e925a37d710d.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F42c3de84458eb2806c36af9a45342031.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7b0f1ae2ac82dae77562fd3cf4eb51f7.jpg\">","根据下面的主视、俯视图,选择正确的左视图( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6bfc793793db9b5d65a0920fa560ec27.jpg\">",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],268840408,[51,52,53,54],"中心投影和平行投影","平行投影和斜投影","垂直投影和水平投影","正投影和侧投影","投影法主要分为哪两种?( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],268840409,[60,61,62,63],"φ12或φ24","φ6","φ24","φ12","某零件图的绘制比例为 2:1,该图中有个标注尺寸为φ12.则其所表达的实物中该孔的实际尺寸是( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],268840410,[69,70,71,72],"主视图与俯视图高平齐,主视图与左视图宽相等,俯视图与左视图长对正","主视图与俯视图长对正,主视图与左视图高平齐,俯视图与左视图宽相等","主视图与俯视图宽相等,主视图与左视图长对正,俯视图与左视图高平齐","三者之间没有固定的对应关系","在绘制三视图时,主视图、俯视图和左视图之间的长宽高对应关系是怎样的",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],268840411,[78,79,80,81],"粗虚线","细虚线","细实线","粗实线","下列哪种线型在机械图样中用于表示不可见轮廓线( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],268840412,[87,88,89,90],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff7e5e908ae19aa64fbc124032171866d.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0e98d10edbb7805e8ac3ab139cb0ab28.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1df803a4212657ff7fa5e7ce0def5951.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcab68f87394d5ffec8c3b9ce4b3c109d.jpg\">","根据下面的主视、俯视图,选择正确的左视图( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e14bc1a6793d227d5195084e79d24c4.jpg\">",{"answer":93,"createTime":5,"id":6,"options":94,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],268840414,[99,100,101,102],"正投影法","中心投影法","斜投影法或平行投影","斜投影法","三视图是采用( )得到的"]