окоп / шанець; щілина-сховище; щілина
narrow slit trench
observation slit
slit type of sight
vision slit
weapon slit
view slit
shell slit
fire slit
slit one's throat
sight slit
sighting slit
communication trench
connecting trench
crawl trench
evacuation trench
fighting trench
rifle squad trench
skirmisher's trench
standard trench
trench
trench foot
trench warfare
trench-digging machine
approach trench
bipod trench
buried trench concept
front-line trench
trench line
all-around fire trench
normal fire trench
one-man fire trench
rocket-launcher fire trench anti-tank