释义 |
air valve
air valve n 1. (Mechanical Engineering) a device for controlling the flow of air in a pipe 2. (Mechanical Engineering) a valve for exhausting air from a fluid system, esp from a central-heating installation. See also bleed valve air valve
air valve[′er ‚valv] (mechanical engineering) A valve that automatically lets air out of or into a liquid-carrying pipe when the internal pressure drops below atmospheric. air valveA valve used to admit or discharge air from a pipeline.AcronymsSeeAV |