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汽车专业英语——Engine Terms(发动机术语). j- v/ B# ~2 ~! z+ M9 q# V0 Q
:cool: Engine Terms(发动机术语)% H% G7 ^9 H4 K/ d/ X$ v! l TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.+ M$ U1 p1 u8 K: v2 ] T TDC (上止点) - 当活塞离曲轴最远时,曲柄和活塞的位置。9 q( P; [! g |, F/ q1 B, O# q# e BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.1 R/ I6 ? r4 J; M) F! Y9 R BDC (下止点) - 当活塞离曲轴最近时,曲柄和活塞的位置。 9 ?) t: I1 W0 }. mstroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft. + l2 ?& L! O( x# S3 O% k. A* x; b行程 - 下止点和上止点之间的距离;行程由曲轴控制。; l# v. @ B$ { bore ― the internal diameter of the cylinder.6 P5 Q2 N3 A' W" T2 ~& K8 V 缸径 - 汽缸的内径。* R* @1 c, ]$ w- c2 K" l swept volume ― the volume between TDC and BDC.. f% P' y* U7 @4 _6 i8 Q 有效容积 - 上止点和下止点之间的体积。& p+ t. f2 G4 m) S 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) ( w# r' Z$ B% M& E: ^has a cylinder swept volume of 500 cm3. / s/ J o L7 B5 i% N- p发动机排量 - 这是全部汽缸的有效容积,例如一台排量为两公升(2000 cm3)的4个汽缸的发动机每一个汽缸的有效容积为500 cm3。/ y' a" D9 d2 @" u) W' P, o clearance volume ― the volume of the space above the piston when it is at TDC. " k. H$ I7 d3 L- O" O8 h间隙容积 – 当活塞位于上止点时,活塞顶上面的气缸空间。 * U F( _; O/ s0 u0 y- ccompression ratio = (swept vol + clearance vol)/(clearance vol)2 |% w7 m1 h. C |8 Z 压缩比 = ( 有效容积 + 间隙容积 ) / ( 间隙容积 ) 3 j" i# ^- N" R, o0 o3 atwo-stroke ― a power stroke every revolution of the crank.2 f: Z' j' b6 g5 s3 G9 } 二冲程 – 曲柄旋转一圈作功一次。" Y9 C4 \! K5 w, m$ H( N four-stroke ― a power stroke every other revolution of the crank.; D+ W) @8 u1 \7 @: v* W# ` 四冲程 - 曲柄旋转两圈作功一次。 |
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