[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fRD0QxO2q2ujwEnALjEYbXV_eWBMH6OsacweGaJVkXVk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-23 20:31:28",282891885,[8,9,10,11],"小、中、大","大、小、小","大、中、小","小、中、小",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","普通螺纹公称直径是螺纹的____径,计算作用在螺旋副上驱动力矩时使用的是螺纹的____径,螺栓强度计算时使用的是螺纹的__径",[18,29,38,47,56,65,74,83,92,101],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],282891876,[22,23,24,25],"移动副","低副","点接触高副","转动副","凸轮与从动件接触的运动副属 ()","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],282891877,[33,34,35,36],"角接触球轴承","圆锥滚子轴承","圆柱滚子轴承","深沟球轴承","在相同的尺寸下, () 能承受的轴向载荷为最大",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],282891878,[42,43,44,45],"疲劳破坏或刚度不足","由于静强度不够而断裂","塑性变形","弹性变形","一般转轴的失效形式为 ()",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],282891879,[51,52,53,54],"减少弹性滑动","便于安装","增加平稳性","使包角增大","带传动在水平安装时,将松边置于上方的目的是 ()",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],282891880,[60,61,62,63],"2","3","5","4","若复合铰链处有4个构件汇集在一起,应有 ()个转动副",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],282891881,[69,70,71,72],"接合更紧的趋势","摩擦的趋势","分离的趋势","转动的趋势","内部轴向力能使得内、外圈产生 ()",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],282891882,[78,79,80,81],"视具体情况定","拉伸","扭转","拉扭复合","紧螺栓连接时,螺栓的螺纹部分处于 () 应力状态",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],282891883,[87,88,89,90],"低","移动","转动","高","火车轮与铁轨的接触是属于 () 副",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],282891884,[96,97,98,99],"曲柄与连杆的两个共线","摇杆的两个极限","曲柄与摇杆的两个共线","曲柄与机架的两个共线","曲柄摇杆机构中,若曲柄为主动件时,其最小传动角的位置在 () 位置之一",{"answer":102,"createTime":5,"id":6,"options":103,"question":16,"source":27,"type":28},[],[8,9,10,11]]