V2EX timing belt

Timing Belt

释义 Definition

Timing belt正时皮带/正时带。汽车发动机中的关键部件,用来同步曲轴与凸轮轴的转动,确保气门开闭与活塞运动在正确时间配合。(也常称“正时带”;部分发动机改用 timing chain 正时链条。)

发音 Pronunciation (IPA)

/tam blt/

例句 Examples

The mechanic replaced the timing belt.
技师更换了正时皮带。

If the timing belt fails, the engine may lose timing and suffer serious damage.
如果正时皮带失效,发动机可能会失去正时配合并遭受严重损坏。

词源 Etymology

timing 来自 time(时间)+ -ing,表示“计时/时序/时机”;belt 表示“带子”。合起来直译为“用于时序配合的带子”,引申为发动机里负责“正时同步”的皮带。

相关词 Related Words

文学作品 Literary Works

该词更常见于维修手册、汽车工程教材与科普写作中,较少作为固定词汇出现在经典文学作品标题或名句中;在现代纪实与技术类英语文本(如汽车保养指南、工程类非虚构作品)中更常出现。

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