двовісний (автомобіль) із двома ведучими осями
four-cycle / four-stroke
fingertip formation / finger-four formation / four finger formation
four-point barb
four-charge gun
four by two
four-barreled anti-aircraft gun
four-groove barrel
four-point
four-stage compressor
four-way valve
four-wheel drive
four-wheel drive truck
four-boss breaker cam
four-stroke cycle
four-step stand
four-stroke engine
Four Tonner (Bedford truck)