[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHyFp5BcMXut3ksqz7bNwAtO7Ms0rZH1F-5Uf1Lluv0c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-03-09 19:12:42",321469153,[8,9,10,11],"系统产量降低","产品细度变粗","磨机负荷增加","选粉效率降低",{"courseId":13,"courseImg":14,"courseName":15},"e1351040c39bc7ac42d2c41286f8fbe6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc8f23db226805edc3443a851d1350d52.jpg","水泥粉磨生产技术","选粉机循环负荷率增大,通常会导致( )",[18,29,38,47,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],321469150,[22,23,24,25],"密度差异","形状差异","在气流中运动行为的差异","带电性质差异","空气选粉机分级的基本原理是根据颗粒的( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],321469151,[33,34,35,36],"旋风式选粉机","O-Sepa选粉机","离心式选粉机","Sepax选粉机","下列哪种选粉机属于第一代空气选粉机?( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],321469152,[42,43,44,45],"支撑转子","使气流产生稳定的旋转运动","撒布物料","收集粗粉","在O-Sepa选粉机中,导流叶片的主要作用是( )",{"answer":48,"createTime":5,"id":6,"options":49,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],321469154,[54,55,56,57],"有无外部旋风筒","有无旋转部件","有无撒料装置","有无导流叶片","旋风式选粉机与离心式选粉机的主要区别在于( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],321469155,[63,64,65,66],"进料速度","转子转速","系统风量","物料温度","影响选粉机分级精度的最关键参数是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],321469156,[72,73,74,75],"进料的最大粒径","能被分离的临界粒径","产品的平均粒径","粗粉的最小粒径","选粉机的&quot;切割粒径&quot;是指( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],321469157,[81,82,83,84],"分级精度高","系统阻力小","可处理高浓度粉尘","产品粒径分布窄","高效选粉机(如O-Sepa)的主要优点不包括( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],321469158,[90,91,92,93],"破碎大块物料","烘干湿物料","分离合格细粉,提高粉磨效率","冷却高温熟料","选粉机在水泥粉磨系统中的作用是( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":101,"source":27,"type":28},[],321469159,[64,65,99,100],"物料湿度","设备颜色","下列哪个因素不会直接影响选粉机的选粉效率?( )"]