[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJ-68GkvLneDNV0l7QyynHYNESsSa7j3KXwwzCs20EWM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":12,"related":13,"source":22,"type":45},[],"2025-12-17 05:58:45",269461915,[],{"courseId":9,"courseImg":10,"courseName":11},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","液压泵的吸油管和液压系统回油管相距应尽量 些",[14,24,32,40,46,49,57,62,67,72],{"answer":15,"createTime":5,"id":16,"options":17,"question":21,"source":22,"type":23},[],269461911,[18,19,20],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F17911685846de6588c52308b04a9195f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5914221fd71d451af9fd62c342093eef.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F85560e81178a2228aa85278d1de244a7.png\">","下图元件,蓄能器是","v1",0,{"answer":25,"createTime":5,"id":26,"options":27,"question":31,"source":22,"type":23},[],269461912,[28,29,30],"120℃","80℃","65℃","液压系统的工作温度一般应保持在 30~50℃的范围之内,最高不超过",{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":22,"type":23},[],269461913,[36,37,38],"空气","惰性气体","氦气","充气式蓄能器中气体应使用 ,允许工作压力视蓄能器结构形式而定,如皮囊式的允许工作压力为 3.5~32 MPa",{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":22,"type":45},[],269461914,[],"液压辅助元件有 器、 器、 器和",2,{"answer":47,"createTime":5,"id":6,"options":48,"question":12,"source":22,"type":45},[],[],{"answer":50,"createTime":5,"id":51,"options":52,"question":55,"source":22,"type":56},[],269461916,[53,54],"正确","错误","滤油器的功用是过滤混在液压油液中的杂质,降低进入系统中油液的污染度,保证系统正常地工作",3,{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":22,"type":56},[],269461917,[53,54],"蓄能器是液压系统中用以储存压力能的装置,常用于间歇需要大流量的系统中,达到节约能量,减少投资的目的;也应用于液压系统中,起吸收脉动及减少液压冲击的作用",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":22,"type":56},[],269461918,[53,54],"蓄能器在液压回路中的安放位置随其功用而不同∶ 吸收液压冲击或压力脉动时宜放在冲击源或脉动源近旁;补油保压时宜放在尽可能远离有关的执行元件处",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":22,"type":56},[],269461919,[53,54],"一般低压系统油箱的有效容积为液压泵每分钟排出油液体积的2-4倍,中高压系统为5-7倍",{"answer":73,"createTime":5,"id":74,"options":75,"question":79,"source":22,"type":80},[],269461920,[76,77,78],"过滤混在液压油液中的杂质,降低进入系统中油液的污染度,保证系统正常地工作","在短时间内供应大量压力油液, 维持系统压力","减小液压冲击或压力脉动","蓄能器的作用有",1]