元件

element / component

surname Yuan / the Yuan or Mongol dynasty (1279-1368)

currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon

item / component / classifier for events, things, clothes etc

fuel element

additional element / (computing) add-on / plug-in

fuel pins