【化】 housing washer
【化】 anti-friction bearing; antifriction bearing; rolling bearing
besides; in addition; not closely related; other; outer; outside; unofficial
【医】 ec-; ecto-; exo-; extra-; xeno-
circle; enclose; fold; loop; mark with circle; pen; ring
【计】 ring up
【化】 circle; enclose; loop; ring
【医】 band; circle; circulus; helico-; ring
