单词 | compression stroke |
释义 | compression stroke in Automotive Engineering (kəmprɛʃən stroʊk) Word forms: (regular plural) compression strokes noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) compression , compression , strokeThe compression stroke is the stroke in an engine in which the air or air/fuel mixture is compressed before ignition. The intake valve closes and the piston starts up on the compression stroke. During the compression stroke, the piston moves up the cylinder, squeezing the fuel-air mix. At the end of the compression stroke, the spark plug fires the rich mixture in the precombustion chamber. |
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