[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fp38pYhKVQv817osYDNrRrn1Su9iOIYzV7WIRo3a4vj4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-05-30 09:51:06",192221201,[8,9,10,11],"垂直裂纹","下斜裂纹","上斜裂纹","水平裂纹",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},19,"3a73b0d2fef371a41d4086965774d935","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fca469640bfa59ecd494e50493343245d.jpg","钢轨探伤（2025春）","work_42840477","37°探头探伤","前37&deg;探头, A型显示,先显示螺孔波,后显示裂纹波,两波之间有一定间隔,则该伤损为( )",[21,32,41,50,59,67,73,78,83,86],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],192221141,[25,26,27,28],"不显示螺孔波只显示裂纹波","螺孔波和裂纹波同时显示","先显示裂纹波再显示螺孔波","先显示螺孔波再显示裂纹波","钢轨探伤仪前 37&deg;探头探测螺孔上斜裂纹时( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],192221149,[36,37,38,39],"出现在螺孔波之后","与螺孔波同时出现","出现在螺孔波之前","与螺孔波出现时间前后不确定","钢轨探伤仪 37&deg;探头探测螺孔时,下斜裂纹出波应( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],192221156,[45,46,47,48],"Ⅱ、Ⅲ","Ⅱ、Ⅳ","Ⅰ、Ⅱ","Ⅰ、Ⅳ","钢轨探伤仪前 37&deg;探头能发现( )象限螺孔斜裂纹",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],192221163,[54,55,56,57],"后 37&deg;","前 37&deg;","直 70&deg;探头","70&deg;","钢轨第一孔,第三象限斜裂纹应采用( )探头探测",{"answer":60,"createTime":5,"id":61,"options":62,"question":66,"source":30,"type":31},[],192221170,[63,64,65],"一","倒八","&quot;八&quot;","当37&deg;探头遇到螺孔时,B型显示在轨颚线下方显示与螺孔回波深度相对应的两条斜线,经过拼孔后,成一个( )字",{"answer":68,"createTime":5,"id":69,"options":70,"question":72,"source":30,"type":31},[],192221177,[47,71,45,46],"Ⅰ、Ⅲ","钢轨探伤仪后 37&deg;探头能发现( )象限螺孔斜裂纹",{"answer":74,"createTime":5,"id":75,"options":76,"question":77,"source":30,"type":31},[],192221183,[26,25,28,27],"钢轨探伤仪后 37&deg;探头探测螺孔下斜裂纹时( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":82,"source":30,"type":31},[],192221191,[46,48,47,45],"钢轨探伤仪前 37&deg;探头能发现( )象限间螺孔水平裂纹",{"answer":84,"createTime":5,"id":6,"options":85,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":87,"createTime":88,"id":89,"options":90,"question":95,"source":30,"type":31},[],"2025-05-30 09:51:07",192221217,[91,92,93,94],"顺打螺孔波、倒打螺孔波、断面颚部反射波、螺孔波","螺孔波、轨端顶角反射波 、倒打螺孔波、断面颚部反射波","螺孔波、断面颚部反射波、倒打螺孔波、顺打螺孔波","螺孔波、倒打螺孔波、断面颚部反射波、顺打螺孔波","37&deg;探头过正常接头,假如没有缺陷存在,则将依次显示四种波形:( )"]