проріз для встановлення випередження; паз для встановлення запалювання
hold advance / hold (up) advance
permanent slot
slot
slot-type groove
indexing slot
time slot
cross slot
U slot of piston
valve head slot
ejection slot
end slot
extractor slot
half slot
guide slot
multi-slot muzzle brake
slot cooling
key slot
vision slot
advance force
advance planning funds (APF)
advance warning
advance, flank, and rear guard
advance-warning satellite
axis of advance
direction of advance
fend off enemy's a advance
limit of advance (line)
main line of advance
maintain the momentum (of the advance)
route of advance
routes of advance
speed of advance