V2EX underframe

Underframe

定义 Definition

underframe(名词):车辆、铁路车厢或机车等底部承重的框架结构(底架),用于支撑车体并连接转向架、悬挂、制动等部件。(在不同领域也可泛指“下部框架”。)

发音 Pronunciation

/ndrfrem/

例句 Examples

The mechanic inspected the underframe for rust.
技师检查了底架是否生锈。

Cracks in the railcar’s underframe can weaken the whole vehicle and must be repaired before it returns to service.
铁路货车底架出现裂纹会削弱整车结构,必须在重新投入运行前修复。

词源 Etymology

由 **under-**(在……下面)+ frame(框架)构成,字面意思就是“下面的框架”。该词多用于铁路车辆与工程语境,强调车体下方的主要承重结构。

相关词 Related Words

文学与著作中的用例 Literary Works

该词更常见于工程与交通运输类写作中(而非小说等文学作品),例如:

  • The Car and Locomotive Cyclopedia(铁路车辆结构与部件条目中常见)
  • Railway Wagon and Carriage Construction(涉及车体结构、底架/承载系统的章节)
  • Railway Engineering(讨论车辆结构与载荷传递时常出现)
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