【机】 acheson graphite
【机】 ar-
anxious; be sure to; chip; chop; correspond to; cut; eager; knife; log; shear
shive; slice
【医】 cutting; incise
black lead; graphite; plumbago; pot lead
【化】 black lead; graphite; mineral black; mineral carbon; pot lead
【医】 black leaching; graphite; plumbago