V2EX front-wheel drive

Front-wheel drive

Definition / 释义

前轮驱动(简称 FWD):一种汽车传动布局,由前轮负责把发动机/电机的动力传到地面并提供牵引力。常见于家用轿车与部分小型 SUV;优点通常包括结构紧凑、空间利用率高、湿滑路面更易获得稳定牵引力(但在高动力输出时可能更易出现“扭矩转向”等现象)。

Pronunciation / 发音(IPA)

/frnt wil drav/

Examples / 例句

Front-wheel drive cars are usually easier to handle in the rain.
前轮驱动的车在雨天通常更容易操控。

Because the engine and transmission sit over the front axle, front-wheel drive often improves cabin space, though it can increase understeer when cornering hard.
由于发动机和变速器位于前轴附近,前轮驱动往往能提升车内空间,但激烈过弯时可能更容易出现转向不足。

Etymology / 词源

该短语由 front-wheel(前轮的) + drive(驱动/传动) 组成,是汽车工程领域的描述性术语:用来直接说明“由前轮负责驱动”这一动力传递方式。随着 20 世纪乘用车布局普及(尤其是横置发动机与紧凑型车型增多),该术语在汽车工业与媒体中广泛固定下来。

Related Words / 相关词汇

Notable Works / 文学与著作中的用例

  • Bosch Automotive Handbook(Robert Bosch GmbH 编)在车辆结构与传动系统章节中系统讨论包括前轮驱动在内的多种驱动形式。
  • Race Car Vehicle Dynamics(William F. Milliken & Douglas L. Milliken)在车辆动力学语境下涉及不同驱动布局(含 FWD)对操控特性的影响。
  • How to Build a Car(Adrian Newey)在赛车工程与车辆设计讨论中会对不同传动/布局概念作工程化提及(包含对驱动形式的对比语境)。
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