蜗杆副 wō gǎn fù

DEFINITIONS

  1. worm-gear pair
  2. worm drive
  3. worm and worm gear

CHARACTERS

蜗 wō a snail, Eulota callizoma
杆 gǎn
HSK 6
pole; shaft of spear
副 fù
HSK 6
assist; supplement; assistant