專業(yè)英語(yǔ)汽車詞匯

1、first gear 一檔 second gear 二檔 reverse 倒車檔 two-stroke engine 二沖程發(fā)動(dòng)機(jī) diesel 柴油機(jī) limousine 豪華轎車 drophead 活動(dòng)車篷汽車 racing car 賽車 saloon 轎車 roadster 敞蓬車 wecker, beat-up car, jalopy 老爺車 notchback 客貨兩用車 four-wheel drive 四輪驅(qū)動(dòng) front-wheel drive 前輪驅(qū)動(dòng) trailer 拖車 station wagon 小旅行車 truck 卡車 compact car 小型汽車 light-

2、van 小型貨車 garbage truck 垃圾車 automobile carrier 貨運(yùn)卡車 fire engine 消防車 tractor 牽引車 ambulance 救護(hù)車 taxi 出租車, 計(jì)程車 trailer truck 拖車 sports car 跑車 formula car 方程式賽車, 方程式汽車 mail car 郵車 jeep 吉普車 bloodmobile 血漿車 bumper car 碰撞用汽車 camper 露營(yíng)車 police car 警車 wrecker 清障車 ambulance 急救車 汽車外設(shè) front wheel 前輪 rear wheel 后

3、輪 tread 輪距 chassis 底盤(pán) bodywork, body 車身 rear window 后窗玻璃 windscreen 擋風(fēng)玻璃 windscreen wiper 雨刮器 fender, wing, mudguard 擋泥板 radiator grille 水箱 wing mirror 后視鏡 bonnet 發(fā)動(dòng)機(jī)蓋 boot 行李箱 roof rack, luggage rack 行李架 license plate, number plate 車號(hào)牌 wing 前翼子板 hubcap 輪轂罩 bumper 保險(xiǎn)杠 front blinker 前信號(hào)燈 taillight, t

4、ail lamp 尾燈 backup light, reversing light 倒車燈 stoplight, stop lamp 剎車燈 rear blinker 轉(zhuǎn)彎指示燈 trunk, boot 行李箱 bumper 保險(xiǎn)杠 tailpipe 排氣管 汽車內(nèi)部 back seat, rear seat 后座 drivers seat, driving seat 駕駛席 passenger seat 旅客席 steering wheel, wheel 方向盤(pán) rear-view mirror, driving mirror 后視鏡 horn, hooter 喇叭 choke 熄火裝置 g

5、ear stick, gear change 變速桿 gearbox 變速箱 starter, self-starter 起動(dòng)器,起動(dòng)鈕 brake pedal 剎車踏板 clutch pedal 離合器踏板 hand brake 手制動(dòng)器 foot brake 腳制動(dòng)器 dashboard 儀表板 milometer 里程表 speedometer, clock 速度表 transmission 傳動(dòng) piston 活塞 radiator 散熱器 fan belt 風(fēng)扇皮帶 shaft 傳動(dòng)軸 inner tube 內(nèi)胎 drain tap 排氣閥門 silencer 消音器 tank 油箱

6、 overflow 溢流孔 valve 閥門 exhaust pipe 排氣管 spare wheel 備胎,備用輪胎 carburettor 汽化器A/C空調(diào)壓縮機(jī)   Absorber緩沖器     Acceleration加速Accessories附件  Accumulator蓄壓器  Actuator作動(dòng)器Adjusting washer調(diào)整墊片  Adjustment調(diào)整Advance plate點(diǎn)火提前作用板Air brakes空氣煞車

7、0; Air chamber空氣室  Air cleaner空氣濾清器Air-conditioner compressor空調(diào)壓縮機(jī)    Air filter空氣濾清器Air-flow sensor空氣流量感知器        Air-fuel mixture空氣燃油混合汽Air-fuel ratio空氣燃油混合比           

8、      Air hose空氣管Air-pollution空氣污染                      Air-reserve tank儲(chǔ)氣筒Air spring空氣彈簧            

9、;             Air supply system空氣供給系統(tǒng)Air suspension空氣懸吊                       Alternator發(fā)電機(jī)Annulus內(nèi)齒輪，環(huán)輪  

10、0;     Anti-lock brake system防止煞車死鎖系統(tǒng)Antifreeze compounds防凍劑     Armature電樞   Asbestos石棉Aspect ratio高寬比     Atmosphere大氣Automatic transmission自動(dòng)變速箱   Automatic transmission fluid自動(dòng)變速箱油Automobile汽

11、車    Automotive汽車的    Auxiliary-air device輔助空氣裝置Axle車軸                 Axle bearing車軸軸承Backlash后座力Baffle plate導(dǎo)流板Balance weight平衡配重Ballast resistor外電阻Ball joint球接頭Battery電瓶Bat

12、tery voltage電瓶電壓BDC下死點(diǎn)Bearing軸承Bearing cap軸承蓋Bias ply偏角線層Bleeding放空氣Block汽缸體Blow-by gas吹漏氣Boost增壓Bore缸徑Bowl vent valve球形通風(fēng)閥Bracket支架Brake band制動(dòng)帶Brake drum煞車鼓Brake fluid煞車油Brake horsepower制動(dòng)馬力Brake hose煞車軟管Brake lights煞車燈Brake light switch煞車燈開(kāi)關(guān)Brake line煞車油管Brake pedal煞車踏板Brake shoe煞車蹄片Braking linin

13、g煞車來(lái)令片Breaker cam白金的凸輪Breaker plate白金底板Bucket valve tappet桶狀的汽門挺桿Bumpers保險(xiǎn)桿Bypass hose旁通水管Cable高壓線Caliper卡鉗，夾鉗Cam bearing凸輪軸軸承Camber外傾Cam set assembly凸輪總成Camshaft凸輪軸Camshaft sensor凸輪軸位置感知器Camshaft sprocket凸輪軸正時(shí)煉輪Camshaft timing gear凸輪軸正時(shí)齒輪Cap clamp set分電盤(pán)蓋彈簧夾組Carbon point碳棒Carburetor化油器Caster后傾Catal

14、ytic converters觸媒轉(zhuǎn)換器Centrifugal advance離心提前Centrifugal advance mechanism離心點(diǎn)火提前機(jī)構(gòu)Chain煉條Charcoal活性碳Charcoal canister活性碳罐Chassis底盤(pán)Check valve止回閥Circuit電路，油路Clamp束環(huán)Clearence間隙Clearence volume余隙容積Clutch離合器Clutch disc (disk)離合器片Clutch fork離合器撥叉Clutch input shaft離合器輸入軸Clutch pedal離合器踏板Clutch pedal free tr

15、avel離合器踏板自由間隙Clutch pressure plate離合器壓板Clutch shaft離合器軸Coilpack點(diǎn)火線圈總成Coil spring圈狀彈簧Coil wire主高壓線Cold-start冷車起動(dòng)Cold-start valve冷車起動(dòng)閥Combustion燃燒Combustion chamber燃燒室Combustion pressure燃燒壓力Combustion process燃燒過(guò)程Combustion-ignition engine壓縮點(diǎn)火引擎Combustion ratio壓縮比Combustion ring壓縮環(huán)Combustion stroke壓縮行程

16、Components組件Compound planetaty復(fù)合行星齒輪Compressor壓縮機(jī)Computer計(jì)算機(jī)Condenser電容器Connecting rod連桿Connecting-rod bearing連桿軸承Connecting-rod bolt連桿軸承螺絲Connecting-rod cap連桿軸承蓋Constant velocity joint等速萬(wàn)向接頭Contact-point ignition system白金式點(diǎn)火系統(tǒng)Contact-point set白金組Control arm控制臂Control pulse控制脈沖Coolant冷卻液Coolant cont

17、rol engine vacuum switch溫控真空開(kāi)關(guān)Coolant gallery冷卻水道Coolant temperature indicator水溫指示表Coolant temperature sensor水溫感知器Cooling system冷卻系統(tǒng)Coupling point 耦合點(diǎn)Crankcase曲軸箱Crankpin曲軸銷Crankshaft曲軸Crankshaft main bearing曲軸主軸承Crankshaft sensor 曲軸位置感知器Crankshaft sprocket 曲軸正時(shí)煉輪Crankshaft timing gear曲軸正時(shí)齒輪Cross fl

18、ow 橫流式Cylinder 汽缸Cylinder head 汽缸蓋Cylinder head bolt hole汽缸蓋螺絲孔Cylinder head screw 汽缸蓋螺絲Cylinder liner汽缸套Cylinder wall 汽缸壁Detonation control system爆震控制系統(tǒng)Dial gauge or indicator千分表Diameter直徑Diaphragm膜片Diesel Engine柴油引擎Differential差速器Differential case差速器殼Differential pinion差速器小齒輪Differential side gear

19、差速器邊齒輪Dipstick機(jī)油量量尺Direct drive直接驅(qū)動(dòng)Disk brake碟式煞車Distributor分電盤(pán)Distributor-cap分電盤(pán)蓋Distributor drive gear分電盤(pán)驅(qū)動(dòng)齒輪Distributor housing分電盤(pán)外殼Distributorless ignition system（DLI）無(wú)分電盤(pán)的點(diǎn)火系統(tǒng)Distributor shaft分電盤(pán)軸Diverter valve緊急控制閥Diverter valve vacuum supply hose緊急控制閥的真空管DOHC雙頂上凸輪軸式Drive line驅(qū)動(dòng)系Drive pinion驅(qū)動(dòng)

20、小齒輪Drive shaft驅(qū)動(dòng)軸Drop center type落心式Drum煞車鼓Drum brake鼓式煞車Dry cylinder liner干式汽缸套Dump valve釋放閥Dust seal塵封Dust shield防塵罩Dynamic balance動(dòng)平衡Dynamometer動(dòng)力計(jì)Earth wire搭鐵線Eccentric偏心輪Economizer省油器EGR control valve EGR控制閥EGR delay solenoid EGR延遲線圈EGR delay timer EGR時(shí)間延遲閥EGR temperature valve EGR溫控閥EGR valve

21、EGR閥Electronic control unit（ECU）電子控制單位，計(jì)算機(jī)Electronic devices 電子設(shè)備Electronic fan 電動(dòng)風(fēng)扇Electronic ignition system 電子點(diǎn)火系統(tǒng)Electronic sensor 電子感知器Electronic spark timing（E.S.T.）電子點(diǎn)火正時(shí)Electric fuel pump 電動(dòng)汽油泵Emission control system廢氣控制系統(tǒng)End play 端間隙Engine引擎Engine fan引擎風(fēng)扇Ethylene glycol 乙烯乙二醇Evaporative emi

22、ssion control（EEC）汽油蒸汽控制系統(tǒng)Exhaust camshaft 排汽門凸輪軸Exhaust emission 廢氣Exhaust gases 廢氣Exhaust-gas recirculation（EGR）廢氣再循環(huán)系統(tǒng)Exhaust manifolds 排汽歧管Exhaust port 排汽門孔Exhaust stroke 排汽行程Exhaust valve 排汽門Exhaust wastegate 排汽旁道閥Expander 襯環(huán)Expansion tank 副水箱，油汽膨脹室Expansion valve 膨脹閥External-combustion engine外

23、燃機(jī)Fan belt 風(fēng)扇皮帶Fast-idle 快怠速Fault diagnosis 故障診斷Feedback-control 回饋控制Final drive 最終傳動(dòng)Fires 點(diǎn)火Firing mate 點(diǎn)火相對(duì)缸Firing order 點(diǎn)火順序Fitting 接頭Fixed pin 固定式活塞銷Fixing plate 固定板Flame arrester 火焰抑制器Fluid 液體Fluid coupling 液體耦合器Flywheel 飛輪Formula 公式Four-stroke-cycle Engine 四行程引擎Four wheel alignment 四輪校正Four wh

24、eel steering 四輪轉(zhuǎn)向Freezing point 冰點(diǎn)Fresh air inlet 新鮮空氣入口Friction disk 磨擦片，離合器片F(xiàn)riction horsepower 摩擦馬力Front oil seal 前油封Front suspension 前懸吊Front-wheel alignment 前輪校正Front-wheel drive 前輪驅(qū)動(dòng)Fuel 燃油Fuel enrichment function 燃油增濃功能Fuel filter 汽油濾清器Fuel metering system 燃油計(jì)量系統(tǒng)Fuel pump 汽油泵Fuel pump gasket

25、汽油泵墊片F(xiàn)uel rail 汽油分供管Fuel-system 燃油系統(tǒng)Fuel supply system 燃油供給系統(tǒng)Fuel tank 油箱Fuel-tank cap 油箱蓋Full-floating pin 全浮式活塞銷Full-load 全負(fù)荷Fuse 保險(xiǎn)絲Gasket 墊片（圈）Gasoline engine 汽油引擎Gear 齒輪Gear box 齒輪箱Gear lubricant 齒輪潤(rùn)滑油Gear oil 齒輪油Gear oil pump 齒輪油泵Gear ratio 齒輪比Gearshift 變速排檔桿Governor 調(diào)速器Governor spring 離心配重彈簧G

26、overnor weight 離心配重Grease 黃油Ground 搭鐵Hall effect 霍爾效應(yīng)Head gasket 汽缸床Heat-control valve 熱控閥Heat energy熱能Heat range 熱度等級(jí)Heater control valve 暖氣控制閥Heater core 暖氣風(fēng)箱Heater fan暖氣馬達(dá)Heater hose暖氣水管High speed cam高速凸輪High-voltage surge高壓電Horsepower 馬力Hose 水管，橡皮油管Housing 外殼Hub assembly 輪轂總成Hydraulic 液壓Hydrauli

27、c brake 液壓煞車Hydraulic brake booster液壓煞車增壓器Hydraulic valve lifter液壓式汽門舉桿Idle-mixture screw 慢車混合比調(diào)整螺絲Ignition coil 點(diǎn)火線圈Ignition distribution 點(diǎn)火分配Ignition module 點(diǎn)火計(jì)算機(jī)Ignition signal 點(diǎn)火訊號(hào)Ignition switch 點(diǎn)火開(kāi)關(guān)Ignition system 點(diǎn)火系統(tǒng)Ignition timing 點(diǎn)火正時(shí)Indicated horsepower 指示馬力Inertia 慣性Injection valve 噴油嘴In

28、-line four cylinder engine 線列四缸引擎Inside diameter內(nèi)徑Insulated plier 絕緣夾Intake air temperature sensor 進(jìn)氣溫度感知器Intake camshaft 進(jìn)汽門凸輪Intake manifolds 進(jìn)汽歧管Intake port 進(jìn)汽門孔Intake stroke 進(jìn)汽行程Intake valve 進(jìn)汽門Integral steering 整體式轉(zhuǎn)向Interference angle干擾角Internal-combustion engine 內(nèi)燃機(jī)Internal gear 內(nèi)齒輪，環(huán)齒輪Jack千斤頂

29、Joint constant velocity 等速接頭Journal 軸頸Jumper wire 跨線Kickdown switch 強(qiáng)迫換檔開(kāi)關(guān)Kingpin 大王銷Kingpin inclination 大王銷傾斜Knock sensor 爆震感知器Knuckle steering 轉(zhuǎn)向節(jié)Lambda sensor 含氧感知器Lateral runout 橫向偏搖度Lead 鉛Lead wire 電源線Leaf spring 葉片彈簧Leak 泄漏Length 長(zhǎng)度Level control, automatic 自動(dòng)水平控制Lifter oil gallery 汽門舉桿的機(jī)油道Limi

30、ted slip differential 限滑差速器Line pressure油管壓力Lining來(lái)令片Linkage steering 轉(zhuǎn)向連桿Linkage type 連接桿式Liquid-vapor separator 液體油汽分離器L jetronic system L式汽油噴射系統(tǒng)Lobe 凸緣Lower ball joint 下球接頭Lower control arm 下控制臂Lower hose 下水管Lower speed cam 低速凸輪Lubricating oil 潤(rùn)滑油Lubricating system 潤(rùn)滑系統(tǒng)Lubrication 潤(rùn)滑MacPherson-st

31、rut front suspension 麥花臣式前懸吊MacPherson-strut rear suspension 麥花臣式后懸吊Magnetic coil 電磁線圈Magnetic field磁場(chǎng)Magnetic pickup拾波器Magnetic pickup assembly 拾波器總成Main-bearing 主軸承Main-bearing journals 主軸頸Main gallery 主油道Manifold vacuum 歧管真空Manual transaxle 手動(dòng)變速差速器Manual transmission 手動(dòng)變速箱Master cylinder,brake 煞車

32、總泵Master cylinder pushrod 煞車總泵推桿Measurement 測(cè)量Mechanical efficiency 機(jī)械效率Mechanical energy 機(jī)械能Mechanical valve lifter 機(jī)械式汽門舉桿Meshing 嚙合Meteing valve 計(jì)量閥Micrometer 測(cè)微卡Millisecond 千分之一秒，微秒Mulffer 消音器Multileaf spring 多葉片彈簧Multiple disk clutch 多片離合器Needle bearing 針狀軸承Neutral 空檔Neutral safety switch 空檔安全開(kāi)

33、關(guān)Nipple 油管連接器Nitrogen 氮?dú)釴itrogen oxides 氮氧化合物Nozzle 噴嘴Nut 螺帽O(jiān)HC頂上凸輪軸式OHV 頂上汽門式Oil consumption 機(jī)油的消耗Oil-control ring 油環(huán)Oil cooler 機(jī)油冷卻器Oil dilution 機(jī)油的沖淡Oil filter 機(jī)油濾清器Oil gallery 主機(jī)油Oil hole 油孔Oil level gauge 量油尺Oil pan 油底殼Oil pan drain plug 油底殼放油塞Oil pan drain plug gasket 油底殼放油塞墊片Oil pan gastet 油底

34、殼墊片Oil pan screw 油底殼螺絲Oil pan timing case cover seal 油底殼與正時(shí)齒輪蓋油封Oil passage 機(jī)油道Oil pressure relief valve 機(jī)油壓力釋放閥Oil pressure switch 機(jī)油壓力開(kāi)關(guān)Oil pressure warning light 機(jī)油壓力警示燈Oil pump 機(jī)油泵Oil pump drive gear 機(jī)油泵驅(qū)動(dòng)齒輪Oil-returning slot 回油槽One Way clutch 單向離合器Orifice 限孔O-ring O型環(huán)Opening 開(kāi)口Operating-data se

35、nsing system 引擎運(yùn)轉(zhuǎn)狀況感知系統(tǒng)Operating temperature 工作溫度Outer diameter 外徑Out-of-round 失圓Output shaft 輸出軸Overdrive 超速傳動(dòng)Overhead camshaft 頂上凸輪軸Overheating 過(guò)熱Over running clutch 超速傳動(dòng)離合器Oversize 加大尺寸Owner manual 車主手冊(cè)O(shè)xygen 氧氣Oxygen sensor 含氧感知器Parking brake 手煞車Partly burned fuel 燃燒不完全的汽油Parts cleaner 零件清潔劑Pass

36、age 通路PCV valve PVC閥Peak flame temperature 最高燃燒溫度Pickup assembly 拾波器總成Pickup coil 拾波線圈Pin boss 活塞銷殼Pilot bearing 向?qū)лS承Pinion set 驅(qū)動(dòng)小齒輪組Piston 活塞Piston and rod assembly 活塞連桿總成Piston displacement 排氣量Piston head 活塞頂Piston pin 活塞銷Piston rings 活塞環(huán)Piston stroke 活塞行程Pitman arm 畢特門臂Pivot 樞軸Plug wire 火星塞高壓線Pl

37、anetary gears 行星齒輪Planet pinion 行星小齒輪Pollutant 污染物Positive crankcase ventilation （PCV）積極式曲軸箱通風(fēng)系統(tǒng)Post-start 起動(dòng)后Power功率，動(dòng)力Power brakes動(dòng)力煞車Power steering 動(dòng)力轉(zhuǎn)向Power steering pump 動(dòng)力方向機(jī)油壓泵Power stroke 動(dòng)力行程Power train 動(dòng)力傳動(dòng)機(jī)構(gòu)Power transistor 功率晶體管Precision-insert bearing 精密嵌入式軸承Precombustion chamber 預(yù)燃燒室Pr

38、eload 預(yù)負(fù)荷Pressure differential valve 壓力差動(dòng)閥Pressure plate 壓板Pressure regulator 汽油壓力調(diào)整器Pressure-vacuum valve 壓力門與真空門Primary circuit 低壓電路Primary intake valve 主進(jìn)汽門Printed circuit 印刷電路Propeller shaft 傳動(dòng)軸Proportioning valve 比例閥Pulley皮帶盤(pán)Pushrod推桿Rack and pinion steering齒條小齒輪轉(zhuǎn)向Radial tire 輻射輪胎Radiator 水箱Rad

39、iator cap 水箱蓋Radiator overflow hose水箱溢水管Radiator pressure cap 壓力式水箱蓋Rear axle 后軸Rear axle housing后軸殼Rear suspension 后懸吊Rear-wheel drive 后輪驅(qū)動(dòng)Rear oil seal 后油封Rebored 搪缸R(shí)eciprocating-piston engine 往復(fù)活塞式引擎Relay 繼電器Relief valve 釋放閥Reservoir 儲(chǔ)油池Resistor by-pass 外電阻旁通路Return spring 回拉彈簧Rib 肋骨Ring gap 活塞環(huán)開(kāi)

40、口間隙Ring gear 環(huán)形齒輪Ring groove 活塞環(huán)槽Ring land 活塞環(huán)岸Road test 負(fù)荷測(cè)試Rocker arm 搖臂Rocker arm assembly 搖臂總成Rocter arm shaft 搖臂軸Rod big end 連桿大端Rod small end 連桿小端Roller-cell pump 滾柱式汽油泵Rollover vent valve 搖晃止回閥Rotor 分火頭Rubber bushing 橡皮墊圈Rubber ring 橡皮水封Screw 螺絲Screw driver 螺絲起子Screwed gear 螺旋狀齒輪Second-air in

41、jection system 二次空氣噴射系統(tǒng)Second-air pump 二次空氣泵Secondary air 二次空氣Secondary circuit 高壓電路Secondary intake valve 次進(jìn)汽門Second compression ring 第二道壓縮環(huán)Semifloating pin 半浮式活塞銷Sensor 感知器Sensor bracket 感知器架Service rating服務(wù)等級(jí)Servo 伺服Shift lever 變檔桿Shim 填隙片Shock absorber 避震器Skirt 活塞裙Sliding plug 滑動(dòng)柱塞Slip joint 滑動(dòng)接

42、頭Slow warm-up 暖車速度太慢Sludge 油泥Snap ring 扣環(huán)SOHC 單項(xiàng)上凸輪軸式Soldering 焊接Spark-advance control systems 點(diǎn)火提前控制系統(tǒng)Spark-advance mechanism 點(diǎn)火提前機(jī)構(gòu)Spark-control computer 點(diǎn)火控制計(jì)算機(jī)Spark-ignition engine 火花點(diǎn)火引擎Spark plug 火星塞Spark-lug gap 火星塞間隙Spark-timing mark 點(diǎn)火正時(shí)記號(hào)Speed 速率Spider 十字接頭Spring nut 彈簧螺帽Spring pad 彈簧襯墊Spr

43、ing retainer 汽門彈簧座Sprocket 煉輪Stabilizer 平穩(wěn)桿Stabilizer bar 平衡桿Stall test 失速測(cè)試Starter relay 起動(dòng)馬達(dá)繼電器Starting motor 起動(dòng)馬達(dá)Steel net 鋼絲濾網(wǎng)Steering-axis inclination 轉(zhuǎn)向軸傾斜角Steering gear 轉(zhuǎn)向柱Steering linkage 轉(zhuǎn)向連桿Steering systems 轉(zhuǎn)向系統(tǒng)Steering wheel 方向盤(pán)Steam engine 蒸汽引擎Strainer 濾網(wǎng)Stratified charge 層狀進(jìn)汽Stroke 行程St

44、ud 螺栓Suspension systems 懸吊系統(tǒng)S/V ratio 表面積與容積比Synchronizer 同步器Tailpipe 排汽尾管Taper 斜差Tappet 舉桿TDC 上死點(diǎn)Tensioner 煉條張力器Terminal assembly 線頭總成The basic duration of injection 基本噴射時(shí)期Thermal efficiency 熱效率Thermostat 節(jié)溫器Thermo-time switch 熱時(shí)間開(kāi)關(guān)Three-way catalytic converters 三元觸媒轉(zhuǎn)換器Throttle valve 節(jié)汽門Throttle-va

45、lve switch 節(jié)汽門位置感知器Throwout bearing 釋放軸承Thurst washer 推力墊片Tie rod 橫拉桿Timing chain 正時(shí)煉條Timing disc 正時(shí)圓盤(pán)Timing gear cover 正時(shí)齒輪蓋Timing light 正時(shí)燈Tire 輪胎Toe-in 前束Toothed sensor 齒型感知器Top compression ring 第一道壓縮環(huán)Torque 扭力Torque converter 扭力變換器Torque tube 扭力管Torque wrench 扭力扳手Torsion-bar spring 扭力桿彈簧Total piston displacement 總排汽量Total