[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQ3KxfCjx8DAM9BO0JHfQUQ6eg4jfSePJo4apouW_XRc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-01-05 11:51:02",127355834,[8,9,10,11],"局部视图","断面图","标准视图","剖视图",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},169,"05d57ad2ab802a85e71d3e8a8d408b9b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","轮机识图","work_31996052","20240105","为避免视图上出现较多的虚线,宜采用__5-138",[21,33,42,52,61,70,73,82,92,102],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-01-05 12:05:27",127355816,[26,27,28,29],"物体上相交互成角度的线段,它们在等角投影图上的角度是不变的","物体上相互平行的线段,它们在等角投影图上仍然是平行的","物体上与坐标轴垂直的线段,它的等角测投影必须与相应的轴测轴垂直","物体上相互垂直的线段,它们在等角投影图上仍然是垂直的","关于物体的等角投影图,说法正确的是 .12-124","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],127355818,[37,38,39,40],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdb6f49c8dc062a180b9268f2e99c79f3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa2e79fb1c719a607617735408423993e.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc246af85afd2f82790b388c4285c1fbf.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2c81a769f66495a7b71e1727eb6b0b8b.png\">","根据所给三视图,选择其正确的等角投影图__ 7-47\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6f0b98bc601a2fed24670c4b204c0608.jpg\">",{"answer":43,"createTime":44,"id":45,"options":46,"question":51,"source":31,"type":32},[],"2024-01-05 12:05:25",127355822,[47,48,49,50],"过盈","过渡或过盈","过渡","间隙","永久配合一般应选用______配合.17-100",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":31,"type":32},[],127355832,[56,57,58,59],"低\u002F18","高\u002F20","低\u002F20","高\u002F18","基本尺寸相同时,公差越大,其精度越 .国家标准规定共有 个公差等级.18-95",{"answer":62,"createTime":63,"id":64,"options":65,"question":69,"source":31,"type":32},[],"2024-01-05 12:05:30",127355833,[66,67,68],"mm","cm","m D&mu;m","机械图样的尺寸在不注明单位时,是以________为单位.10-49",{"answer":71,"createTime":5,"id":6,"options":72,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":74,"createTime":63,"id":75,"options":76,"question":81,"source":31,"type":32},[],127355835,[77,78,79,80],"半径规","外径卡尺","外径千分尺","游标卡尺","_____可用于测量船舶主柴油机活塞直径.17-92",{"answer":83,"createTime":84,"id":85,"options":86,"question":91,"source":31,"type":32},[],"2024-01-05 11:51:03",127355845,[87,88,89,90],"设计基准用于确定零件在机器中的正确位置,比如,零件的轴线、对称面、重要的定位面、重要的端面、底面等常被用作设计基准","设计基准是根据零件在机器中的作用和结构特点,为保证零件的设计要求而选定的基准","每一零件的长、宽、高三个方向的尺寸都至少有一个尺寸基准","设计基准应与主要基准重合","关于设计基准的说法,错误的是 .11-111",{"answer":93,"createTime":94,"id":95,"options":96,"question":101,"source":31,"type":32},[],"2024-01-05 12:05:24",127355846,[97,98,99,100],"半圆键","凸轮","齿轮","弹簧","下列属于标准件的是 .15-4",{"answer":103,"createTime":63,"id":104,"options":105,"question":110,"source":31,"type":32},[],127355871,[106,107,108,109],"细实线","粗实线","细点画线","粗点画线","可以给制螺纹长度终止线的线型是__6-51"]