【化】 tray supporting
【化】 column plate; column tray; tower tray
support; sustain; brace; buoy; crutch; hold up; prop; uphold
【经】 underpin
circle; enclose; fold; loop; mark with circle; pen; ring
【计】 ring up
【化】 circle; enclose; loop; ring
【医】 band; circle; circulus; helico-; ring