(розм.) розгадувати (розколювати) шифр
break a сode
radio сode test
crack defenses/the front
crack shot
crack troops
crack-through
crack tank unit
crack truck body
corrosion crack
crack detection
fatigue crack
loaded crack
partial-thickness crack
stress corrosion crack
thermal-shock crack
surface crack detector
hairline crack / microcrack
microcrack / hairline crack
crack
crack a line
crack defenses
crack an attack
crack through the shells