单词	exhaust stroke
释义	exhaust stroke exhaust stroke n (Mechanical Engineering) another name for scavenge stroke See exhaust stroke exhaust stroke exhaust stroke [ig′zȯst ‚strōk] (mechanical engineering) The stroke of an engine, pump, or compressor that expels the fluid from the cylinder. exhaust stroke Induction stroke.Compression stroke.Power stroke.Exhaust stroke.The fourth stroke in a reciprocating engine in which the piston is moving away from the crankshaft and the exhaust valve is open to permit expulsion of burned gases.
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