滚子链

滾子鏈
gunzǐliàn

roller chain

Wiktionary

Entry Composition

1 滚子 gǔnzi roller
2 链 liàn
  1. chain
  2. cable (unit of length: 100 fathoms, about 185 m)
  3. chain (unit of length: 66 feet, about 20 m)
  4. to chain
  5. to enchain