V2EX crosshead

Crosshead

释义 Definition

crosshead(名词)

  1. (机械)十字头:蒸汽机、往复式压缩机等设备中,连接活塞杆连杆、并在导轨中滑动的部件,用于传递力并保持运动方向稳定。
  2. (排版/新闻)小标题;栏题:正文上方、版面中用于分隔内容的小标题(常见于报纸、杂志或书籍版式)。
    (该词有以上两种常见用法,语境多见于工程技术或出版排版。)

发音 Pronunciation

/krshd/

例句 Examples

The mechanic inspected the crosshead for wear.
技师检查了十字头的磨损情况。

After the overhaul, the engine ran smoothly because the piston rod, crosshead, and connecting rod were precisely aligned.
大修后发动机运转平稳,因为活塞杆、十字头和连杆被精确校准并对齐。

词源 Etymology

cross(“横向的/交叉的”)+ head(“头部/端部/顶端部件”)构成的复合词。早期在机械语境中,“head”常指装置的关键端部件;“cross-”强调其横向连接与承力结构,因而形成“十字头”这一专门部件名称。排版义则与“位于上方/作为标题”的“head”相关,引申为版面中的小标题。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Machinery’s Handbook(《机械工程手册》):在往复式机构与零部件术语中常出现 crosshead
  • A Text-Book of Steam and Steam Engines(Andrew Jamieson):蒸汽机结构章节讨论十字头与连杆机构。
  • The Marine Steam Engine(Sennett & Oram):船用蒸汽机维护与结构说明中使用该词。
  • A Treatise on the Steam Engine(John Farey):介绍蒸汽机部件与工作原理时提及 crosshead
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