短语词组短語worm -gear-drive 蝸輪蝸杆傳動Worm -wheel drive 蝸輪傳動cylinder worm -drive 圓柱蝸杆傳動Circular cylinder worm -drive 圓弧齒圓柱蝸杆傳動involute cylinder worm -drive 漸開線圓柱蝸杆傳動worm and worm -gear drive system 蝸輪蝸杆傳動系統 返回 worm drive