短語(yǔ)詞組短語(yǔ)ratchet -wheel gear 棘輪裝置ratchet sliding wheel spring 滑動(dòng)大鋼輪簧ratchet winding wheel spring 上條大鋼輪簧ratchet gear wheel 棘齒輪ratchet winding wheel swing lever 上發(fā)條大鋼輪擺桿Brake ratchet wheel 棘輪制動(dòng)器;棘輪制動(dòng)輪;制動(dòng)棘輪;翻譯conveyer drive ratchet wheel 輸送機(jī)主動(dòng)棘輪ratchet wheel pawl weight 棘輪掣子錘the ratchet wheel 大卷車(chē) 返回 ratchet wheel