запальний канал; затравочний отвір
flash to bang / flash-to-bang (time)
flash-ranging (location), flash-spotting
down-hole hammer
fighting hole
fill a hole (in the front)
flood hole
hole
hole in (розм.)
punch / smash / tear a hole (in the defenses)
shaped hole
shell crater / hole
fire in the hole!
trunnion hole
trunnion-pin hole
blade pivot hole
bullet-hole gauge
bush firing hole (of ordnance)
crankpin hole
well hole of receiver
filling hole
interlock hole
funnel-shaped hole
fuze-hole plug
airframe hole
gold-lined touch hole
access hole
weep hole
port hole
shell hole
spider hole
shot hole
spud-hole