蝸輪齒頂圓柱面 worm and wheel: 蝸桿與蝸輪worm wheel: worm wheel = worm-gear. worm and worm wheel: 蝸桿和蝸輪; 蝸輪蝸桿對worm-and-(worm-)wheel: 蝸桿與蝸輪副cylinder wheel: 管形砂輪; 筒形砂輪下載手機(jī)詞典可隨時隨地查詞查翻譯