资料来源 : pyDict

真空计; 低压计

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vacuometer \Vac`u*om"e*ter\, n. [Vacuum + -meter.] (Physics)
   (a) An instrument for the comparison of barometers.
   (b) An apparatus for the measurement of low pressures.