[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fa9svnFRR1HlItOBCTRA6XCeVhVPBonfYsm5YsDE_aoQ":3},{"id":4,"source":5,"question":6,"options":7,"answer":11,"related":12,"type":17,"origin":102,"createTime":19},131991956,"v1","家用电风扇轴承常采用()润滑",[8,9,10],"润滑油","润滑脂","风",[],[13,20,27,37,43,53,63,73,83,92],{"id":4,"source":5,"question":6,"options":14,"answer":15,"related":16,"type":17,"origin":18,"createTime":19},[8,9,10],[],[],0,null,"2024-01-30T17:37:16+08:00",{"id":21,"source":5,"question":22,"options":23,"answer":25,"related":26,"type":17,"origin":18,"createTime":19},131991959,"汽车四个轮子的轴承常采用()润滑",[8,9,24],"水",[],[],{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":17,"origin":18,"createTime":19},131991960,"毡圈密封的密封原件为毡圈,其截面为()",[31,32,33,34],"梯形","正方形","矩形","圆形",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":41,"related":42,"type":17,"origin":18,"createTime":19},131991961,"电脑主机的散热电风扇采用()方式润滑",[8,9,24],[],[],{"id":44,"source":5,"question":45,"options":46,"answer":51,"related":52,"type":17,"origin":18,"createTime":19},131991963,"图所示密封称为()",[47,48,49,50],"毡圈密封","无骨架唇形密封圈密封","有骨架唇形密封圈密封","机械密封",[],[],{"id":54,"source":5,"question":55,"options":56,"answer":61,"related":62,"type":17,"origin":18,"createTime":19},131991964,"与润滑油相比较,下列()不是润滑脂的应用优点",[57,58,59,60],"使用温度范围广","承载能力大","适用高温高速的场合","使用维护简单",[],[],{"id":64,"source":5,"question":65,"options":66,"answer":71,"related":72,"type":17,"origin":18,"createTime":19},131991965,"下列()宜采用低粘度的润滑油",[67,68,69,70],"高温低速重载","变载变速经常正反转","摩擦表面较粗糙","压力循环润滑",[],[],{"id":74,"source":5,"question":75,"options":76,"answer":81,"related":82,"type":17,"origin":18,"createTime":19},131991966,"滚动轴承采用脂润滑时,润滑脂的充填量为()",[77,78,79,80],"充填满轴承的空隙","充填轴承空隙的4\u002F5以上","充填轴承空隙的3\u002F4以上","充填量不超过轴承空隙的1\u002F3-1\u002F2",[],[],{"id":84,"source":5,"question":85,"options":86,"answer":90,"related":91,"type":17,"origin":18,"createTime":19},131991968,"机床主轴箱通常采用()方法润滑",[87,88,89,70],"飞溅润滑","滴油润滑","油环润滑",[],[],{"id":93,"source":5,"question":94,"options":95,"answer":100,"related":101,"type":17,"origin":18,"createTime":19},131991970,"轴端密封如下:①毡圈密封②唇形密封圈密封③机械密封④缝隙沟槽密封⑤曲路(迷宫)密封.其中()属于接触式密封.正确答案是()",[96,97,98,99],"①②","①②③","②⑤","①②④⑤",[],[],{"courseName":103,"courseImg":104,"workName":105,"workId":106,"count":107,"courseId":108},"机械制造基础","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd6aa804f56468e1fa7bc4a2057046b9.png","《机械基础》寒假复习5","work_32060641",10,"6720e958620f041f5d89be5980fc6009"]