短語詞組短語RESCUE RATCHET 救護車ratchet drill 棘輪扳鑽;棘輪鑿巖機;[機]棘輪搖鑽;手扳鑽Ratchet buckle 棘輪釦;拉緊器;齒輪釦帶;手拉器friction ratchet 摩擦棘輪機搆;摩擦式棘輪;摩擦棘輪ratchet purchase 棘齒起重設(shè)備Ratchet system 棘輪機搆ratchet bar 棘齒條Partial ratchet 部分棘輪ratchet wheel n . [機]棘輪ratchet effect 齒輪傚應(yīng)ratchet up 逐漸陞高；略微調(diào)高 返回 ratchet