【化】 Bourdon (tube pressure) ga(u)ge; Bourdon-tube manometer
odd; single
【医】 azygos; mon-; mono-; uni-
circle; enclose; fold; loop; mark with circle; pen; ring
【计】 ring up
【化】 circle; enclose; loop; ring
【医】 band; circle; circulus; helico-; ring
【化】 Bourdon gauge; spring-tube manometer