V2EX fuel-injection

Fuel-Injection

定义 / Definition

燃油喷射(系统):一种发动机供油方式,通过喷油器把燃油以雾化形式、按一定压力与时机喷入进气道或气缸内,以提高燃烧效率、动力响应并降低排放。(常见于汽车、摩托车等内燃机)

发音 / Pronunciation

/fjul ndekn/

词源 / Etymology

fuel(燃料)+ injection(注入、喷射)组成。Injection 源自拉丁语 inicere(“投进、扔进”),在工程语境中引申为“把液体以压力注入系统”。“Fuel injection”作为汽车工程术语,随着20世纪发动机技术发展而普及,用来区别于较早期常见的 carburetor(化油器) 供油方式。

例句 / Examples

This motorcycle uses fuel injection.
这辆摩托车使用燃油喷射系统。

Fuel injection can improve cold starts and reduce emissions by delivering fuel more precisely than a carburetor.
燃油喷射能比化油器更精确地供油,从而改善冷启动并降低排放。

相关词 / Related Words

文学与著作中的用例 / Literary & Notable Works

  • Bosch Fuel Injection & Engine Management(技术经典读物,系统介绍燃油喷射与发动机控制)
  • Internal Combustion Engine Fundamentals(John B. Heywood,内燃机基础权威教材,涵盖喷射与燃烧过程)
  • Automotive Engineering: Powertrain, Chassis System and Vehicle Body(汽车工程教材/参考书,常讨论燃油喷射、排放与控制策略)
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