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词汇
ratchet
释义
ratch.et
[`rætʃɪt; ˈrætʃit]
可数名词
1
棘齿, 棘齿轮装置
(由棘齿轮 (ratchet wheel) 和使棘齿轮只能向一个方向旋转的掣子 (pawl) 所组成的装置; 用于某种扳子等)
2
(又作 ratchet wheel) 棘齿轮
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更新时间:2026/6/16 2:39:36