болт підмоторного бруса
engine bearer foot
ammunition bearer
stretcher-bearer
stretcher bearer
engine capacity / engine power, engine output
reaction engine / motor (jet engine)
rotary engine (Wankel engine)
engine ground run / engine test
engine oil reservoir / engine oil tank
airbreathing jet engine / ducted jet engine
bolt assembly
bolt carrier
bolt catch
bolt latch
bolt recess
bolt-action
bolt-from-the-blue attack
drop bolt
explosive bolt (pyrotechnic fastener)
face of the bolt
bolt action repeater
axle-tree retaining bolt locking pin
bolt handle spring retaining pin
open bolt
bolt carrier assembly
bolt carrier key
bolt carrier stopper
carrier hinge bolt
key bolt
lug bolt key
slave bolt
assembly of bolt