【化】 circular seam
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
seam; sew; slot; stitch
【化】 opening
【医】 crevice; nesis; raphe; rhaphe; seam; sutura; suturae; suturation
suture; suture joints; suturing