детонація (стукіт) двигуна
knocking behavior
knocking combustion
knocking explosion
knocking zone
engine capacity / engine power, engine output
knock a tank
audible knock
big-end knock
borderline knock curve
high-knock rating gasoline
knock detection by ear
knock indicator
knock off balance
knock tendency
knock test of gasoline
knock-down power
knock-free operation
knock-meter
knock characteristic (of gasoline)
knock-free fuel
knock-down fence
knock out of action
knock out of the war
reaction engine / motor (jet engine)
rotary engine (Wankel engine)
engine ground run / engine test
engine oil reservoir / engine oil tank
air-breathing jet engine
axial-flow (jet) engine
axial-flow turboshaft engine
compression ignition engine
cylinder block (engine block)