| 释义 |
ratchet wheel 【机械学】棘轮 以上来源于：《21世纪大英汉词典》 ratchet wheeln.① 棘輪(=ratchet)ratchet wheel/ˈrætʃɪt wiːl/n.棘轮详细释义源自:《新世纪英汉大词典》Collins外研社 n棘轮英英释义n.toothed wheel held in place by a pawl or detent and turned by a lever英汉大☞ratchetratchet wheel锯形齿轮ratchet wheel棘轮r |