ratchet-wheel

英 ['rætʃɪtw'iːl] 美 ['rætʃɪtw'iːl]

• n. 棘轮

ratchet-wheel的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 ratchet wheel:

1. toothed wheel held in place by a pawl or detent and turned by a lever