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汽車專業(yè)英語——Engine Terms（發(fā)動機(jī)術(shù)語）
; l( D- L' \: Z& p Q" R+ }9 N:cool: Engine Terms（發(fā)動機(jī)術(shù)語）
) X4 W% S+ l9 l9 L+ O t TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.( _! n/ E# @9 D$ A( l! t2 g5 R
TDC (上止點) - 當(dāng)活塞離曲軸最遠(yuǎn)時，曲柄和活塞的位置。
0 J: e" m7 Z2 T0 C8 u BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft./ z3 ~+ y5 y( A9 D; d A; ]; @; n
BDC (下止點) - 當(dāng)活塞離曲軸最近時，曲柄和活塞的位置。
0 P6 w5 N" ^8 c% \ V! Q& K, g stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.( Q8 b7 }- H. c4 a
行程 - 下止點和上止點之間的距離；行程由曲軸控制。1 l( U0 E) s& r& J6 M) S$ [0 i
bore ― the internal diameter of the cylinder.
. N) R# ^- X* q 缸徑 - 汽缸的內(nèi)徑。
" N4 ^ a# U- A6 o: _- L swept volume ― the volume between TDC and BDC.# l% z7 O0 c) ^0 e' V
有效容積 - 上止點和下止點之間的體積。( A5 u( M I& o R" j+ g
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)% a' ^& J& z i: h2 q- {/ z
has a cylinder swept volume of 500 cm3.
1 C' Y4 h' _# ~7 N3 I 發(fā)動機(jī)排量 - 這是全部汽缸的有效容積，例如一臺排量為兩公升(2000 cm3)的4個汽缸的發(fā)動機(jī)每一個汽缸的有效容積為500 cm3。
3 j/ v3 O0 u h' I+ f9 T4 u clearance volume ― the volume of the space above the piston when it is at TDC.
! k1 F9 L! [* [' J- K% \ 間隙容積 – 當(dāng)活塞位于上止點時，活塞頂上面的氣缸空間。$ w: d5 c# W2 D1 b4 K
compression ratio = (swept vol + clearance vol)/(clearance vol); h: ^& W# ~& ~4 J+ \
壓縮比 = ( 有效容積 + 間隙容積 ) / ( 間隙容積 )1 B# Z' w; Q& g8 N
two-stroke ― a power stroke every revolution of the crank.* M; F, E9 M' b4 S3 J4 I
二沖程 – 曲柄旋轉(zhuǎn)一圈作功一次。8 U; l6 D- f: K5 x/ `7 ]: y) I
four-stroke ― a power stroke every other revolution of the crank.- q* b. ~* |1 H; d
四沖程 - 曲柄旋轉(zhuǎn)兩圈作功一次。 |
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發(fā)表于 2009-5-18 11:45:50
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