[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fd5cdh07YzHd1ImyMfhfX3y52-MpiGLHtKGGxiOrSYqI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-07-23 03:46:04",213730883,[8,9,10,11],"圆周上的主切削刃","圆周上的副切削刃","底部断面上是主切削刃","刀齿有3个",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},235,"c306377e0f901d4b8934f5ddfdbca61c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff21680e364835f5861c820e673834b0c.jpg","化工机械安装与修理","work_43705323","第十二部分 工具、量具和仪器","键槽铣刀的特点之一是()",[21,32,41,50,59,67,76,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],213730877,[25,26,27,28],"活络扳手","开口扳手","梅花扳手","锁紧扳手","( )扳手很适合在狭窄的地方使用","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],213730878,[36,37,38,39],"水平","垂直","平行","任意","千斤顶应( )放在重物下面",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],213730879,[45,46,47,48],"想等","中心处小,边缘处大","中心处大,边缘处大","外缘处前角=0","麻花钻主切削刃上各点的前角()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],213730880,[54,55,56,57],"磨粒刚好能通过每英寸长度上有60个孔眼的筛网","磨粒刚好能通过每平方英寸上有60个孔眼的筛网","磨粒的粒径尺寸为80~60μm","磨粒的粒径尺寸为60~48μm","粒度号为60的磨料颗粒表示的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":66,"source":30,"type":31},[],213730881,[25,63,64,65],"拉力器","管钳","专用扳手","用来夹持或旋松与拧紧螺纹连接的管子及配件的工具( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":30,"type":31},[],213730882,[71,72,73,74],"平面刮刀","挺刮刀","拉刮刀","曲面刮刀","对滑动轴承轴瓦内表面进行刮削时,常选用( )",{"answer":77,"createTime":5,"id":6,"options":78,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],213730884,[83,84,85,86],"规定了12个精度等级,0级最高","规定了9个精度等级,0级最高","规定了12个精度等级,0级最低","规定了9个精度等级,0级最低","下列()符合齿轮国家标准规定的相应内容",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],213730885,[92,93,94,95],"每一刀齿有三个主切削刃","每一刀齿有一个主刀刃,两个副刀刃","每一刀齿有两个主切削刃","每一刀齿有一个主刀刃,一个副刀刃","错齿式三面刃铣刀在切削时,其特点之一是()",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":30,"type":31},[],213730886,[101,102,103,104],"工件材料硬度低于錾子硬庋","回火不良,錾子硬度增大","锤击力过猛,未落在錾子重心上","楔角小,吃刀量大","錾子出现卷边的原因可能是()"]