发动机专业外语.doc

三、Engine?operation?principle?发动机工作原理3.1?Four-stroke?gasoline?engine?operation?principle四冲程汽油机工作原理1?intake?stroke?进气行程2?compression?stroke?压缩行程3?expansion?stroke?膨胀行程4?exhaust?stroke??排气行程5?combustible?mixture?可燃混合气6?intake?valve?进气门7?spark?plug?火花塞8?exhaust?valve?排气门9?exhaust?gas?废气3.2?Four-stroke?diesel?engine?operational?principle四冲程柴油机工作原理1?intake?stroke?进气行程2?compression?stroke?压缩行程3?expansion?stroke?膨胀行程4?exhaust?stroke??排气行程5?intake?进气6?compression?压缩7?combustion?燃烧8?expansion?膨胀9?exhaust?排气10?air?空气11?injector?喷油器12?exhaust?gas?废气3.3?Two-stroke?gasoline?engine?operation?principle二冲程汽油机工作原理1?combustible?mixture?可燃混合气2?inlet?port?进气口3?crankcase?曲轴箱4?precompressed?mixture?预压混合气5?transfer?canal?输气道6?intake?port?进气口7?exhaust?port?排气口8?exhaust?gas?废气9?spark?plug?火花塞3.4?Two-stroke?diesel?engine?operation?principle二冲程柴油机工作原理1?air?空气2?blower?pump?扫气泵3?precompressed?air?预压空气4?air?chamber?空气室5?inlet?port??进气口6?injector?喷油器7?exhaust?valve?排气门8?exhaust?gas?废气四、Engine?performance?发动机性能1?fixed?throttle?characteristics?速度特性2?part?throttle?characteristics??负荷特性3?engine?speed?转速4?torque?扭矩5?horsepower?功率6?specific?fuel?consumption?燃油消耗率五、Crank?connecting?rod?mechanism曲柄连杆机构5.1?Cylinder?block?机体组1?cylinder?block?汽缸体2?cylinder?liner?汽缸套3?cylinder?bearing?surface?汽缸套表面4?cylinder?head?汽缸盖5?inlet?manifold?mountingflange?进气歧管凸缘6?oil?inlet?hole?加油孔7?cylinder?head?cover?汽缸盖罩8?cylinder?head?gasket?汽缸盖衬垫9?oil?filter?mounting?flange?机油滤清器凸缘10?ventilating?pipe?mounting?seat?通风管座11?cylinder?block?stiffeningrib?汽缸体加强肋12?rear?main?bearing?cover?后主轴承罩13?main?bearing?cap?主轴承盖14?oil?sumppan?gasket?油底壳衬垫15?oil?sump/pan?油底壳16?fuel?pump?mountingflange?燃油泵凸缘17?ignition?distributor?mounting?flange?分电器凸缘18?camshaft?bearing?bushseat?凸轮轴轴承座19?camshaft?drive(gear)cover?凸轮轴驱动齿轮罩20?cylinder?head?covergasket?汽缸盖罩衬垫5.2??Piston,connecting?rod?活塞连杆组1?connecting?rod?shank?连杆杆身2?connecting?rod?small?end?连杆小头3?connecting?rod?bushing?连杆衬套4