Traditional 蝸桿副 wō gǎn fù 🔊 worm-gear pair + Keep this word Meanings wō gǎn fù 蝸桿副 worm-gear pairworm driveworm and worm gear Its characters 蜗wōsnail杆gǎnstickHSK 7–9副fùsecondaryHSK 5