【建】 carbon thrust ring
black lead; graphite; plumbago; pot lead
【化】 black lead; graphite; mineral black; mineral carbon; pot lead
【医】 black leaching; graphite; plumbago
bunt; choose; deduce; hustle; infer; jostle; push; put off; shift; shove
trundle
【机】 buck; push
bear; hold; undertake
annulus; hem in; link; loop; ring; surround
【计】 ring up; toroid
【化】 ring
【医】 annuli; anulus; band; circle; circulus; cycle; cyclo-; gyro-; loop; orb
ring; verge