环焊缝

环的英语翻译：

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

焊缝的英语翻译：

welding line
【化】 bead; weld joint; weld(ing) seam; welded joint; welding bead