Radical:

meaning for lún:

  • - wheel
  • - disk
  • - ring
  • - steamship
  • - to take turns
  • - to rotate
  • - by turn
  • - classifier for big round objects: disk, or recurring events: round, turnto alternate
  • - to take turnssteamship
  • - steamer
  • - ocean liner
  • - ship
  • - Classifiers: 艘 an outline
  • - silhouettetire
  • - pneumatic tirewheel

běn
kètí课题
kuàngyòng矿用
jiāo
lún
chǎnchē铲车
wèi
yánjiū研究
duìxiàng对象

This subject regards Mine-used rubber-tired forklift as the research object.