блок повітряного клапана
inlet valve bank
check valve / non-return valve
non-return valve / check valve
angle of bank
earth bank
fog bank
home bank
left-bank tributary (of the river)
right-bank tributary (of the river)
bank control
bank
bank index
bank-and-climb gyro unit
maximum permissible angle of bank
truck bank
turn-and-bank indicator
bank control headquarters
bank picket
right bank
river bank
bank turn
air breed valve
air input valve
air slide valve
air suction valve
auxiliary air valve
aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)
air combat capable helicopter / air-to-air capable helicopter
air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen
amplifying valve
directional-control hydraulic valve
fuel needle valve