[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNIcD9Nuxa-L30HOy-B6GVDfP6NthzJ6NCfN1AoE9X90":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-08 18:44:50",4457895,[8,9,10,11],"增大","减小","基本不变","无法判定",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008879","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6a6c78e9859e38b603fdae64ce6236ba.jpg","液压与气压传动（山东联盟）","3258867","液压与气压传动（山东联盟）教程考试","溶解或者混入油液中的空气含量增加时,油液的体积压缩系数",[20,31,39,47,50,59,68,77,86,95],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],4412174,[24,25,26,27],"双作用叶片泵","单作用叶片泵","轴向柱塞泵","径向柱塞泵","不能作为双向变量泵的是","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":37,"source":29,"type":38},[],4412897,[35,36],"对","错","采用定量泵供油的调速阀调速回路,负载波动时执行元件运动速度保持稳定",3,{"answer":40,"createTime":5,"id":41,"options":42,"question":46,"source":29,"type":30},[],4445476,[43,44,45],"节流口增大速度增加","节流口增大速度减小","不受节流口变化影","用节流阀的旁油路节流调速回路的液压缸速度",{"answer":48,"createTime":5,"id":6,"options":49,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":29,"type":30},[],4458056,[54,55,56,57],"绝对压力与相对压力的差值","绝对压力不足大气压的部分","是相对压力","是压力为零的值","真空度可以看成是",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":29,"type":30},[],4458802,[63,64,65,66],"能量守恒定律","动量定理","质量守恒定律","其他","伯努利方程体现了",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":29,"type":30},[],4459614,[72,73,74,75],"由1截面流至2截面","由2截面流至1截面","水是静止的","水由1截面流至2截面,又由2截面流至1截面往复循环","有一竖直水管高5m,其中截面1(低)处的压力是0.55×10^5 Pa,截面2(高)处的压力是0.06×10^5 Pa,由此可知水在其中的状态是",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":29,"type":30},[],4463208,[81,82,83,84],"长些","粗些","细些","短些","设计合理的液压泵的吸油管应该比压油管",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":29,"type":30},[],4463586,[90,91,92,93],"1倍","2倍","3倍","4倍","双伸出杆液压缸,采用活塞杆固定安装,工作台的移动范围为缸筒有效行程的",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":29,"type":30},[],4464272,[99,100,101,102],"H型","P型","Y型","M型","有一液压回路需要完成油泵保压(不泄荷)而使液压缸成浮动状态,由此可判断其中位机能是"]