[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fp0Vet1YTeRDHeET-0DTj6M89HvIonVF3_lsG9RJPX7E":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":29,"type":30},[],"2025-05-30 09:51:06",192221170,[8,9,10],"一","倒八",""八"",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},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","当37°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",[20,31,40,49,58,61,67,72,77,86],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],192221141,[24,25,26,27],"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°探头探测螺孔上斜裂纹时( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],192221149,[35,36,37,38],"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°探头探测螺孔时,下斜裂纹出波应( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],192221156,[44,45,46,47],"Ⅱ、Ⅲ","Ⅱ、Ⅳ","Ⅰ、Ⅱ","Ⅰ、Ⅳ","钢轨探伤仪前 37°探头能发现( )象限螺孔斜裂纹",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],192221163,[53,54,55,56],"后 37°","前 37°","直 70°探头","70°","钢轨第一孔,第三象限斜裂纹应采用( )探头探测",{"answer":59,"createTime":5,"id":6,"options":60,"question":18,"source":29,"type":30},[],[8,9,10],{"answer":62,"createTime":5,"id":63,"options":64,"question":66,"source":29,"type":30},[],192221177,[46,65,44,45],"Ⅰ、Ⅲ","钢轨探伤仪后 37°探头能发现( )象限螺孔斜裂纹",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":29,"type":30},[],192221183,[25,24,27,26],"钢轨探伤仪后 37°探头探测螺孔下斜裂纹时( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":29,"type":30},[],192221191,[45,47,46,44],"钢轨探伤仪前 37°探头能发现( )象限间螺孔水平裂纹",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":29,"type":30},[],192221201,[81,82,83,84],"垂直裂纹","下斜裂纹","上斜裂纹","水平裂纹","前37°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( )",{"answer":87,"createTime":88,"id":89,"options":90,"question":95,"source":29,"type":30},[],"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°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:( )"]