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第一单元assemblydrawing装配图balloon零件序号detaildrawing零件图view视图convention规范patternmaker模型工machinist机械工carftsman工人full-sectionview全剖视图sketchdrawing草图broken-sectionalview局部视图cutting-plane剖切面Internchangeable可互换的explodeddrawing分解示图第五单元pulley滑轮torque扭矩sheave槽轮disassembly分解spline花键axle轮轴woodruffkey月牙键bushing轴衬Involutespline渐开线花键spindle主轴groove沟residualstress残余应力coupling联轴器distortion变形misalignment非对中referredtoas把…….当做第六单元component零件chassis底盘transmission变速器lubrication润滑ignition点火装置carburetor化油器combustible易燃的hood发动机罩capacity生产量suspension悬架differential差速器clutch离合器hydraulic液压的pedal踏板spark-ignitionengine点燃式发动机storagebattery蓄电池chargingcircuit充电电路motoroil机油sheetmetal金属板gnitioncoil点火线圈compression-ignitionengine压燃式发动机第九单元smallvolumeproduction小批量生产screw丝杆servomotor伺服电机saddle滑板bedway导轨shuttle梭子conventional普通的、常规的horizontal卧式的vertical立式的spindle轴第十五单元computer-integratedmanufacturing计算机集成制造automaticstorageandretrievalsystems自动存储和检索系统database数据库integrity完整性、完全第十六单元deploy使用、配置mineraldeposit矿床manipulator机械手joint接头、接合处gripper钳子roll转动articulated有关节的、铰接的hydraulicactuator液压制动器link连杆。连接物compact紧凑的、紧密的第二十一单元automobile汽车propel驱使crankshaft曲轴piston活塞connectingrod连杆lubrication润滑cylinder气缸chassis底盘vibration振动摆动spring弹簧linkage连杆组、联动装置shockabsorber减振器damp阻尼clutch离合器transmission变速器、传动装置differential差速器accessory附件、辅助设备punchpress冲床、冲压机第二十五单元plow犁耕manurespreader撒肥机steampower蒸汽动力dripirrigation滴灌tractionengine牵引机车combineharvester联合收割机tractor拖拉机cultivator中耕机broadcastseeder撒种机句子第一单元1，Anengineeringdrawingusuallycontainstwoorthreeviews(front,top,andside).Eachviewisanorthographicprojiectionofobjects.工程图样一般含有2-3个视图(主视图，俯视图和侧视图)，每个视图均为所绘零件的正投影。2.Featuresofsectionalviewsarecutting-planesymbols,whichshowwhereimaginarycuttingplanesarepassedtoproducethesections.剖视图的特征是带有剖面线，剖面线符号表示利用想象的剖切面产生剖视图的位置。3.Sincethesdventofwell-developedinterchangeablemanufactire,thesedistanceshavebeenaccompaniedbytolerancesoftheplus-or-minusormin-and-max-limittypes.由于互换性制造技术的出现和不断完善，零件图的尺寸都用带有正负公差或最大、最小极限的尺寸标注。4.Aprocessflowschematicisadiagramcommonlyusedinengineeringtoindicatethegeneralflowofplantprocessesandequipment.工艺流程图常用来说明企业的生产工艺和设备流程。5.Inmostcasesthelayoutdrawingultimatelybecomestheprimarysourceofinformationfromwhichdetaildrawingsandassemblydrawingsarepreparedbyotherdraftersundertheguidanceofthedesigner.在大多数情况下，设计人员绘制的总体布局图最终成为其他人员绘制零件图和装配图的第一手资料。第五单元1.Theshaftrotatesonrollingcontactorbushbearings.Varioustypesofretainingrings,thrustbearings,groovesandstepsintheshaftareusedtotakeupaxialloadsandlocatetherotatingelements.传动轴一般用滚动或滑动轴承支承，用推力轴承、键槽、轴肩和定位环等为旋转零部件定位并且承受轴向载荷。2.Asolidshaftisobtainablecommerciallyinroundbarstockupto15cmindiameter.Itisproducedbyhot-drwingandcold-drawingorbymachining-finishingwithdiametesinincrementsof6mmorl...