[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fr0djd3WPz_pzlBICrbNAnU700usx6jnVl9vy76VH_zA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-10 08:35:39",6631756,[8,9,10,11],"2个","3个","4个","无数个",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008301","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffe4b4d8308bd961509ad3bce16d0afa5.jpg","[共享课]机械制造技术（九江职业技术学院）","3992641","机械制造技术（九江职业技术学院）教程考试","布置在同一平面上的两个支承板相当于的支承点数是",[20,31,41,50,59,68,76,79,84,92],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],6631683,[24,25,26,27],"10mm","5mm","2.5mm","5\u002Fsin&phi;mm","钻孔时,钻头直径为10mm,钻削深度(背吃刀量)应为","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":40},[],6631685,[35,36,37,38],"工件材料","切削用量","刀具材料","刀具几何形状与几何角度","切削力的因素很多,其中主要有",1,{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":29,"type":40},[],6631687,[45,46,47,48],"前角","后角","主偏角","副偏角","在正交平面Po中测量的角度有",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":29,"type":40},[],6631690,[54,55,56,57],"类别代号","特性代号","组别和型别代号","主要性能参数代号","机床型号中必然包括机床",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":29,"type":30},[],6631698,[63,64,65,66],"砂轮磨削区温度","磨粒磨削点温度","工件平均温度","工件表面温度","下述四种温度,容易引起表面烧伤的是",{"answer":69,"createTime":5,"id":70,"options":71,"question":74,"source":29,"type":75},[],6631735,[72,73],"对","错","YG3比YG6更适宜于铸件的粗加工",3,{"answer":77,"createTime":5,"id":6,"options":78,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":80,"createTime":5,"id":81,"options":82,"question":83,"source":29,"type":75},[],6631761,[72,73],"所有机床都有主运动和进给运动",{"answer":85,"createTime":5,"id":86,"options":87,"question":91,"source":29,"type":30},[],6631797,[88,89,90],"粗粒度、较低硬度","细粒度、较高硬度","粗粒度、较高硬度","磨削软金属和有色金属材料时,为防止磨削时产生堵塞现象,应选择( )的砂轮",{"answer":93,"createTime":5,"id":94,"options":95,"question":96,"source":29,"type":75},[],6631800,[72,73],"浮动安装刀具或工件时,适用于精加工,但不能提高位置精度"]