вісь ствола
pitch axis / transverse axis / lateral axis
setting angle of the longitudinal axis with respect to the aircraft axis
barrel assembly (barrel group)
automatic heavy barrel rifle / heavy barrel automatic rifle
axis (мн. axes)
axis of advance
axis of the bore
gun’s axis inclination level
helix along the axis of the bore
strategic axis
take-off axis
threat axis
vertical axis
X axis (line)
dual axis rate transducer
cant of trunnion axis
inclination of trunnion axis
tilt of trunnion axis
trunnion axis
axis of dispersion in deflection
axis of evacuation
axis of maneuver
axis of turning movement
axis pin
cylinder axis (of a revolver)
X-axis
firing-lever axis pin
axis-symmetric flow
multiple axis accelerometer
wind axis
spin axis
axis of a doublet