просуватися, маючи два батальйони в першому ешелоні
two brigades abreast
column of battalions
two-seat / two seat
hold advance / hold (up) advance
three brigades abreast
abreast
keep abreast of the (battle) situation
stay abreast of the (battle) situation
line abreast formation
keep abreast of the situation
duplex / two-way channel
stabilized in two axes
two-cycle engine
two-handed riot baton
two-man foxhole
two-prong attack
two-sided exercise
two-stage missile / rocket / vehicle
two-stage solid-propellant ballistic vehicle
two-up formation
two-way radio
two-lane all-weather road
bi-strategic command (Bi-SC) (of the two Strategic Commands )
two-crewmember cockpit
two-man fire trench
four by two
two-aircrew aircraft
two-aisle compartment
two-baffle muzzle brake
one-(two-, three) dimensional steady flow
two-decked plane
two-dimensional flow