вхідний отвір блоку циліндрів
cylinder block (engine block)
air inlet opening
feed block slide (feed-block-actuating slide)
create an opening
high altitude-high opening (HAHO)
high altitude-low opening (HALO)
high-altitude low-opening parachute technique (HALO)
firing signals (opening, shifting, ceasing fire)
air intake opening
belt opening
breech-opening mechanism
breech-opening motor
clear opening
feed opening
magazine feed-piece opening
front-sight opening
limit of opening fire
frame around opening
valve opening lead
muzzle opening
quick-opening cluster
opening portlight
opening charge
opening elevation
opening line of barrage
opening narrative
opening of hostilities
opening range
opening situation
opening stage of war
opening
angle of opening