The boat has no fewer than five hydraulic pumps.这艘船配有不少于5个液压泵。 A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机。 43 sufficiently adv.足够地,充分地 参考例句: It turned out he had not insured the house sufficiently.原来他没有给房屋投足保险。 Th...
Examples include cancer progression, kidney disease, HIV/ AIDS transfusion, reversible illness death model, hydraulic pumps, parts testing, reliability repair.Aparna V. HuzurbazarUniversity of New Mexico, Department of Mathematics and Statistics, Albuquerque, New Mexico, USA...
This chapter provides an overview of hydraulic-powered downhole pumps, which are powered by a stream of high pressure power fluid supplied by a power fluid (PF) pump at the surface and sent to a downhole pump or pump engine. Hydraulic pumps are basically of two types—piston downhole pumps ...
参考例句: The boat has no fewer than five hydraulic pumps.这艘船配有不少于5个液压泵。 A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机。27 dynamite n./vt.(用)炸药(爆破) 参考例句: The workmen detonated the dynamite.工人们把炸药引爆了。 The philosopher was ...
other type of crawler mount that has advantages for some special applications is the placement of the drilling machine on the arm of an excavator as shown in several examples in Figure 5-7. These rigs are almost always hydraulic, utilizing the hydraulic system common on an excavator. The advan...
液压与气压传动英汉双语 陈淑梅第3章 Chapter_3新.ppt,Chapter 3 Hydraulic Pumps Chapter list 3.1 Introduction 3.2 Piston Pumps 3.3 Vane Pumps 3.4 Gear Pumps 3.1 Introduction 3.1.1 Operating Principle The operating principle of every pump in a hydraulic syst
(10-6m2/s)5~40℃①40~80℃①5~40℃①40~80℃①VanePumpsP<7MPa30~5040~75Gearpumps30~7095~165P≥7MPa50~7050~90Radialpistonpumps30~5065~240Screwpumps30~5040~80Axialpistonpumps30~7070~150①5~40℃、40~80℃aredescribedthetemperaturesofhydraulicsystem.Tab.2-2Therangeofviscosit...
0/0 收藏人数: 0 评论次数: 0 文档热度: 文档分类: 待分类 文档标签: chapter3任务压力精华 系统标签: 压力精华chapterpumps任务液压 3.WorkingPressure工作压力1).Workingpressuredependsonouterload工作压力取决于外负载2).Workingpressureinhydrauliccontrolsystemsis0.5~28MPa控制系统工作压力范围:0.5~30Mpa3).Main...
Chapter2FundamentalHydraulicFluidMechanics 2.1.1Themainperformances1.Density(kg/m3):theratioofthemassofagivenamountofasubstancetothevolumethatthisamountoccupies.=m/V Where:ρ---density(kg/m3)m---massoffluid(kg)(2-1)V---volumeoffluid(m3)Hydraulicoilρ=900kg/m3 3 Chapter2Fundamental...
9.2.3Designofhydraulicsystems1.Selectionofhydrauliccircuits2.Designofhydraulicsystems3.SelectionofthehydraulicvalvesFig.9-6PrinciplechartofhydraulicsystemFig.9-7Principlechatrofhydraulicsystemwithmodularvalves9.2.4Selectionofhydrauliccomponents1.Pumps1〕pressure2〕flowrateThemaximumflowrateprovidedbythetwopumpsis25.13...