單詞
sprag
英 [spr?g]
美[spr?g]
基本信息
- n. 止輪墊（防止車子在斜坡往下滑）
- vt. 用止輪木使…停下
英文詞源
- 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.
雙語例句
- 1. Roller bearing clutch is a new kind of frictional sprag clutch.
- 滾柱軸承離合器是一種新型的摩擦式超越離合器.
來自互聯網
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