advance slot

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

terminal slot cover

longitudinal slot

longitudinal slot in broad face

longitudinal slot in narrow face

longitudinal-slot antenna array

longitudinal-slot array

commissioned slot

advance force

advance planning funds (APF)

advance warning

advance, flank, and rear guard

advance-warning satellite

axis of advance

fend off enemy's a advance