Displaying 1-2 of 2 result(s).
Air Admittance Valve
in NASA
Aerospace Audio- Visual
in NASA
120992120993
Similar to AAV
A/E - Architectural and Engineering
A/E - Activity Elements
A/F - Air-to-Fuel Ratio
A/FM - Air/Firing Mechanism
A/G - Air to Ground
A/L - AutoLand
A/L - AirLock
View all in NASA