V2EX brake drum

Brake Drum

定义 Definition

brake drum(制动鼓/刹车鼓):鼓式制动系统中的圆筒形金属部件,随车轮旋转;当刹车时,刹车蹄向外张开压在制动鼓内壁上,通过摩擦产生制动力,使车辆减速或停止。

发音 Pronunciation (IPA)

/brek drm/

例句 Examples

The mechanic replaced the brake drum on my rear wheel.
修理工更换了我后轮的制动鼓。

After a long downhill drive, the brake drum overheated, reducing braking performance and making a burning smell.
长时间下坡后,制动鼓过热,导致制动性能下降并出现焦糊味。

词源 Etymology

brake 源自古英语 brecan(有“打断、制止”之意),后来引申为“使停止/减速”的装置或动作;drum 来自荷兰语 trom,原指“鼓”这种圆筒形乐器。两者组合 brake drum 直译为“刹车的鼓状部件”,准确描述了其外形与功能。该术语在汽车工业发展、鼓式制动广泛应用后固定下来。

相关词 Related Words

文学作品 Literary Works

  • 《The Science of Railways》(铁路工程与制动技术类著作中常见“brake drum”用于讨论制动机构与热衰退等问题)
  • 《Popular Mechanics》(杂志文章与维修专题中频繁出现,用于讲解车辆鼓式制动结构与保养)
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