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AnIntroductiontoMechanicalEngineering–NewWords生词（1）——Units生词（2）螺纹紧固件与传动螺杆fastener紧固件Screw螺钉Blindhole盲孔Throughhole通孔Threadedhole螺纹孔Tappedhole螺纹孔Bolt螺栓Stud双头螺栓Threadedrod螺杆Threadhead螺纹头Washer垫圈Flathead平头Hexagonal六角的Fillister圆头Thermalexpansion热膨胀Dilation膨胀Axial轴向的Helix螺旋Surfacetreatment表面处理Surfacecondition表面条件Clampingsurface夹紧面Plasticflow塑性滑移Lockwasher防松垫圈Slottednut开槽螺母Locknut防松螺母Springtension弹簧张力Wedge楔入Splitwasher开口挡圈Toothedlockwasher齿式锁紧垫圈Slottednut开槽螺母Castlenut蝶形螺母Cotterpin开口销Matingpart配件Externalthread外螺纹Internalthread内螺纹Dimensionalconsistency量纲一致性Pico-微微Significantdigits有效数字Femto-毫微微approximation估计Angstrom埃Orderofmagnitude数量级fuselage机身Baseunits基本单位Heium氦Derivedunit导出单位Neon氖standardization标准化Barcode条形码Luminousintensity光强Elasticmodulus弹性模量kelvin开氏温标Chuck卡盘meridian子午线Deflection变形circumference周长Drillbit钻头platinum铂Machnumber马赫数iridium铱Coefficient系数Momentofforce动量Dragforce阻力Tera-兆兆Denominator分母Giga-十亿Impulse冲量Hector-百Cruisingaltitude巡航高度Deka-十1AnIntroductiontoMechanicalEngineering–NewWordsRighthanded右旋Lefthanded左旋Multiplethreaded多头螺纹Pitch螺距Lead导程Leadangle导程角，螺旋升角Majordiameter大径Pitchdiameter节径，中径Minordiameter小径Powerscrew传动螺杆Linearactuator线性致动器Ball-bearingscrew滚珠丝杠Slidingfriction滑动摩擦Staticfriction静摩擦铆钉Rivet铆钉Hammer锤Forge鍛2AnIntroductiontoMechanicalEngineering–NewWords弹簧Torsionbarspring扭杆弹簧Helicalcompressionspring螺旋压簧Helicalextensionspring拉力弹簧Elongate拉长Torsionspring扭簧Helicalspring螺旋弹簧Spiralspring盘簧轴承Journalbearing滑动轴承Rolling-elementbearing滚动轴承Lubrication润滑剂Journal轴颈Lubricationmode润滑模式Boundarylubrication边界润滑Mixedlubrication混合润滑Hydrodynamiclubrication流体动力润滑Momentaryoverload瞬时过载Damp阻尼滚动轴承Innerring内圈Fatigue疲劳Outerring外圈Fail失效Rollingelements滚动体Ballbearing球轴承Cage保持架Straightrollerbearing直滚珠轴承Seal密封Taperedrollerbearing斜滚柱轴承Thrustforce轴向力Truncatecone截顶锥Radialforce径向力Thrustrollerbearing止推滚子轴承Housing轴承座生词（3）齿轮Gear齿轮Spurgear直齿齿轮externalgear外齿轮internalorringgear内齿轮Pinion驱动齿轮Gear被动齿轮gearset齿轮对mesh啮合Tooththickness齿厚Toothspace:齿隙Module模数GearRatio齿轮传动比GearTrain齿轮连SimpleGeartrain单式齿轮链Idlegears惰轮CompoundGeartrain复式齿轮链PlanetaryGeartrains行星齿轮链planetgear行星齿轮sungear中心轮carrier保持架，系杆spider多脚架BevelGear锥齿轮，伞齿轮Straight-toothbevelgear直齿伞齿轮spiralbevelgear螺旋伞齿轮rightangle直角3AnIntroductiontoMechanicalEngineering–NewWordsAutomobileDifferential汽车差速器HelicalGear螺旋齿轮Worm蜗杆WormGear蜗轮skewshafts歪轴Rack齿条Significantfigure有效数字Leadingzeroes前导零Trappedzeroes中间零Trailingzeroes末尾零ExactNumbers确切数4AnIntroductiontoMechanicalEngineering–NewWords生词4（Statics&Dynamics）Statics静力学Dynamics动力学Mechanics力学rest静止Classicalmechanics经典力学Rigidbody刚体Mechanicsofrigidbodies刚体力学Mechanicsofdeformablebodies变形体力学Mechanicsoffluids流体力学Equilibrium平衡Newton’slawsofmotion牛顿运动定律Postulate假设Particle质点mass质量Uniformmotion匀速运动Externalforce外力Resultantforce合力Acceleration加速Proportional成比例Action作用Rea...