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| English | German |
| 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 | Viertaktmotor |
| four stroke engine | Viertaktmotor |
| lightning stroke counter | Blitzschlag-Registriergerät |
| two-stroke engine An internal combustion engine whose cycle is completed in two strokes of the piston | Zweitaktmotor |