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four stroke engine
environ.	τετράχρονος κινητήρας
four stroke engine An internal combustion engine whose cycle is completed in four piston strokes; includes a suction stroke, compression stroke, expansion stroke, and exhaust stroke
environ.	τετράχρονος κινητήρας
four-stroke engine
mech.eng.	τετράχρονος κινητήρας

four stroke engine: 3 phrases in 2 subjects

Mechanic engineering	2
Transport	1