жорстка / запекла оборона
be confronted by a stiff resistance
offer a stiff resistance to
island of resistance / pocket of resistance
resistance, to break (down) resistance
put up a stiff fight
stiff clay
stiff-leg derrick
air resistance
chemical resistance
countermeasure resistance
crush resistance
frictional resistance
main line of defense (resistance)
main zone (of resistance)
resistance forces
resistance movement
make / offer/ provide/ put up resistance
soften resistance
disrupt resistance
corrosion resistance
weather resistance tire
vibration resistance
engraving resistance
high wear resistance
put up resistance
show resistance
heat-resistance test
moisture resistance test
equivalent noise resistance
resistance torque of a propeller
resistance welding
channel resistance