Valsalva device

短语

词形变化

Valsalva devices 复数 Valsalva devices

别名

Valsalva

释义与例句

n.
  1. 1.

    A device used in spacesuits and diving helmets to allow the wearer to equalize the pressure in their ears by performing the Valsalva maneuver inside the suit without using their hands to block their nose.