[轉(zhuǎn)帖]汽車(chē)專業(yè)英語(yǔ)——Engine Terms（發(fā)動(dòng)機(jī)術(shù)語(yǔ)

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汽車(chē)專業(yè)英語(yǔ)——Engine Terms（發(fā)動(dòng)機(jī)術(shù)語(yǔ)）
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:cool:  Engine Terms（發(fā)動(dòng)機(jī)術(shù)語(yǔ)） 2 s% {8 X- V+ {: u: F2 x2 z) u, N    TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft. 0 I' F# @+ Z' ^" g/ z3 V    TDC (上止點(diǎn)) - 當(dāng)活塞離曲軸最遠(yuǎn)時(shí),，曲柄和活塞的位置,。     BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.     BDC (下止點(diǎn)) - 當(dāng)活塞離曲軸最近時(shí),，曲柄和活塞的位置,。     stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft. 8 t6 L1 @) G- Y0 z, ?% M* f/ g3 ]    行程 - 下止點(diǎn)和上止點(diǎn)之間的距離,；行程由曲軸控制,。 ; r! e% @5 o7 I; h( I    bore ― the internal diameter of the cylinder.     缸徑 - 汽缸的內(nèi)徑。     swept volume ― the volume between TDC and BDC.     有效容積 - 上止點(diǎn)和下止點(diǎn)之間的體積,。     engine capacity ― this is the swept volume of all the cylinders, e.g. a four-cylinder engine having a capacity of two liters (2000 cm3) 3 v9 K+ x6 w4 U! o/ S' k6 B, T    has a cylinder swept volume of 500 cm3. ; v8 q5 B4 T1 Z3 d) Q& C    發(fā)動(dòng)機(jī)排量 - 這是全部汽缸的有效容積,，例如一臺(tái)排量為兩公升(2000 cm3)的4個(gè)汽缸的發(fā)動(dòng)機(jī)每一個(gè)汽缸的有效容積為500 cm3。     clearance volume ― the volume of the space above the piston when it is at TDC.     間隙容積 – 當(dāng)活塞位于上止點(diǎn)時(shí),，活塞頂上面的氣缸空間,。 & ?9 m2 c+ V+ q0 [    compression ratio = (swept vol + clearance vol)/(clearance vol) ' C* w2 w  i6 c: c7 ~3 ?8 A) }    壓縮比 = ( 有效容積 + 間隙容積 ) / ( 間隙容積 ) 7 d8 H* |, ]7 S' ~3 ]' T1 ^    two-stroke ― a power stroke every revolution of the crank.     二沖程 – 曲柄旋轉(zhuǎn)一圈作功一次,。 5 O0 U0 s, s0 R( b3 Q, y9 v6 s    four-stroke ― a power stroke every other revolution of the crank. # L1 d) n  o$ k! O) c8 ~    四沖程 - 曲柄旋轉(zhuǎn)兩圈作功一次,。