sprag
英式音标：sprag怎么读
美式音标：sprag怎么读
sprag词义
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n. 止轮垫（防止车子在斜坡往下滑）vt. 用止轮木使…停下
sprag双语例句
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- 1. Roller bearing clutch is a new kind of frictional sprag clutch.
- 滚柱轴承离合器是一种新型的摩擦式超越离合器.
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sprag英文词源
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- sprag (n.)
- "prop in a mine," 1841, of unknown origin. Transferred by 1878 to wood blocks, etc., used to brake motor vehicles. As a verb, from 1841. Related: Spragged; spragging.
sprag实用场景例句
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- Roller bearing clutch is a new kind of frictional sprag clutch.
- 滚柱轴承离合器是一种新型的摩擦式超越离合器.
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