[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYKvr0cB_wj0wspejNUu970AHaZp4wq22J82mKVYIrF0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-20 22:21:28",75132545,[8,9,10,11],"运动方向","运动速度","加速","减速",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},73,"d6ef2f00160fd9cf0cae2cb0235e7e07","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","港口机械基础","work_27862689","第二章 连续输送机械(单选+判断)","端部滚筒卸载常用于卸载地点固定的场合.其原理是:当输送带绕过端部滚筒时,( )改变,物料则因运动惯性而与带条脱离被抛入卸料槽或直接卸到物料堆",[21,32,41,50,59,68,77,86,95,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],75132536,[25,26,27,28],"多种","三种","四种","五种","槽形托辊组用于输送散货,按托辊数目分为两托辊、三托辊和五托辊等( )形式","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],75132537,[36,37,38,39],"30m","300m","20m","50m","垂直螺旋输送机特别适宜输送流动性好的粉粒状物料,提升高度一般不大于( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],75132538,[45,46,47,48],"拉力","张力","摩擦力","向心力","带式输送机的驱动原理是依靠驱动滚筒与输送带之间的( )来传递动力使带条运动的",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],75132539,[54,55,56,57],"跑偏","运动","震动","噪音","带式输送机的支承装置的作用是支承输送带和输送带上所载物料的重量;限制输送带的垂度,保证输送带正常运行不发生( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],75132540,[63,64,65,66],"驱动滚筒","一般滚筒","增速滚筒","减速滚筒","电动滚筒的驱动装置是把电动机、减速器全封闭在滚筒里面的一种特殊的( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],75132541,[72,73,74,75],"锰钢板","普通钢板","无所谓","材料","斗壁、斗刃、斗齿及底面加强板都用耐磨的( )制造",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],75132542,[81,82,83,84],"并联","串联","螺栓连接","捆绑","斗轮堆取料机的尾部带式输送机是( )在堆场主输送机中的",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],75132543,[90,91,92,93],"360°","330°","230°","180°","斗轮堆取料机的运行、回转、俯仰机构基本上与通用起重机相应机构相似,所不同的是,回转机构的回转角度在取料时只能转( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],75132544,[99,100,101,102],"管道运输设备","间歇装卸机械","连续装卸机械","大型车间设备","斗轮堆取料机是一种既能堆料又能取料的新型、高效的( ).主要用于专用散货码头堆场上,装卸各种矿石、煤、砂石、焦炭等散粒物料",{"answer":105,"createTime":5,"id":6,"options":106,"question":19,"source":30,"type":31},[],[8,9,10,11]]